Load testing, JMeter and k6 guides, website speed and API monitoring how-tos, and testing tool comparisons from the team that builds LoadFocus.https://loadfocus.com/blog/https://loadfocus.com/blog/2026/10/load-testing-event-driven-architectureshttps://loadfocus.com/blog/2026/10/load-testing-event-driven-architecturesLearn strategies for load testing event-driven systems. Discover tools and pitfalls.Thu, 22 Oct 2026 09:32:52 GMThttps://loadfocus.com/blog/2026/10/synthetic-traffic-performance-testinghttps://loadfocus.com/blog/2026/10/synthetic-traffic-performance-testingDiscover how synthetic traffic enhances performance testing by providing controlled scenarios. Learn its benefits, limitations, and best uses for success.Wed, 21 Oct 2026 05:57:28 GMThttps://loadfocus.com/blog/2026/10/optimize-database-connection-poolshttps://loadfocus.com/blog/2026/10/optimize-database-connection-poolsOptimize database connection pools for peak performance using load testing and proven strategies to ensure efficient and reliable database management.Sun, 18 Oct 2026 05:04:12 GMThttps://loadfocus.com/blog/2026/10/http3-load-testing-impacthttps://loadfocus.com/blog/2026/10/http3-load-testing-impactExplore how HTTP/3 load testing transforms cloud testing strategies.Sat, 17 Oct 2026 07:35:06 GMThttps://loadfocus.com/blog/2026/10/ai-load-test-script-maintenancehttps://loadfocus.com/blog/2026/10/ai-load-test-script-maintenanceOptimize load test script maintenance with AI to reduce manual effort and improve efficiency. Streamline your testing process with smart automation.Fri, 16 Oct 2026 06:15:37 GMThttps://loadfocus.com/blog/2026/10/multi-region-deployment-load-testinghttps://loadfocus.com/blog/2026/10/multi-region-deployment-load-testingDiscover how multi-region deployment impacts load testing results, performance optimization, and reliability strategies for cloud-based applications.Wed, 14 Oct 2026 05:36:05 GMThttps://loadfocus.com/blog/2026/10/set-performance-budgets-web-appshttps://loadfocus.com/blog/2026/10/set-performance-budgets-web-appsLearn how to set performance budgets for web apps to optimize user experience and improve loading times in 2026. Boost your site's efficiency today.Tue, 13 Oct 2026 08:47:01 GMThttps://loadfocus.com/blog/2026/10/saas-onboarding-testing-guidehttps://loadfocus.com/blog/2026/10/saas-onboarding-testing-guideLearn effective SaaS onboarding testing techniques to create load testing scenarios that enhance user experience and ensure smooth performance.Sun, 11 Oct 2026 06:27:28 GMThttps://loadfocus.com/blog/2026/10/cache-invalidation-performance-testinghttps://loadfocus.com/blog/2026/10/cache-invalidation-performance-testingDiscover how cache invalidation impacts testing accuracy and performance reliability in software development processes. Effective cache invalidation is…Sat, 10 Oct 2026 07:11:13 GMThttps://loadfocus.com/blog/2026/10/api-rate-limiting-causeshttps://loadfocus.com/blog/2026/10/api-rate-limiting-causesAvoid API rate limiting during load testing with these strategies for API testers.Wed, 07 Oct 2026 08:25:00 GMThttps://loadfocus.com/blog/2026/10/oauth2-load-testinghttps://loadfocus.com/blog/2026/10/oauth2-load-testingLearn how to configure OAuth2 load testing for APIs to ensure secure and accurate performance under stress. Improve your API testing process today.Tue, 06 Oct 2026 08:23:42 GMThttps://loadfocus.com/blog/2026/10/network-jitter-cloud-load-testinghttps://loadfocus.com/blog/2026/10/network-jitter-cloud-load-testingDiscover how network jitter impacts cloud load testing and explore effective strategies to manage its effects for reliable performance results.Fri, 02 Oct 2026 09:03:57 GMThttps://loadfocus.com/blog/2026/10/iot-load-testing-challengeshttps://loadfocus.com/blog/2026/10/iot-load-testing-challengesExplore IoT load testing challenges and solutions for scalable, reliable platforms.Thu, 01 Oct 2026 09:21:27 GMThttps://loadfocus.com/blog/2026/09/edge-locations-cloud-loadhttps://loadfocus.com/blog/2026/09/edge-locations-cloud-loadLearn why edge locations are key in cloud load testing for better performance.Mon, 28 Sep 2026 07:00:17 GMThttps://loadfocus.com/blog/2026/09/infrastructure-auto-scaling-validationhttps://loadfocus.com/blog/2026/09/infrastructure-auto-scaling-validationEnsure reliable infrastructure auto-scaling with load testing for optimal cloud performance.Sun, 27 Sep 2026 05:05:30 GMThttps://loadfocus.com/blog/2026/09/cloud-vs-on-premise-load-testinghttps://loadfocus.com/blog/2026/09/cloud-vs-on-premise-load-testingDiscover the best load testing solutions for 2026 by comparing cloud and on-premise options. Learn about scalability, cost, and integration factors.Fri, 25 Sep 2026 09:48:16 GMThttps://loadfocus.com/blog/2026/09/opinion-performance-testing-security-standard-2026https://loadfocus.com/blog/2026/09/opinion-performance-testing-security-standard-2026Performance testing security is essential in 2026 to ensure applications are resilient and protected against vulnerabilities. Prioritize it for safer…Mon, 21 Sep 2026 06:14:47 GMThttps://loadfocus.com/blog/2026/09/case-study-improving-api-throughput-financial-platformhttps://loadfocus.com/blog/2026/09/case-study-improving-api-throughput-financial-platformDiscover how LoadFocus improved API throughput to boost performance and reliability for financial platforms, ensuring faster and smoother operations.Sun, 20 Sep 2026 05:56:02 GMThttps://loadfocus.com/blog/2026/09/guide-load-testing-multi-tenant-saas-applications-2026https://loadfocus.com/blog/2026/09/guide-load-testing-multi-tenant-saas-applications-2026Discover essential strategies for load testing multi-tenant SaaS applications, including tenant isolation and resource management for cloud environments.Sat, 19 Sep 2026 08:21:24 GMThttps://loadfocus.com/blog/2026/09/cloud-testing-pricing-models-comparison-2026https://loadfocus.com/blog/2026/09/cloud-testing-pricing-models-comparison-2026Compare cloud testing pricing models for 2026: Pay-As-You-Go vs Subscription. Find cost-effective solutions.Fri, 18 Sep 2026 08:47:32 GMThttps://loadfocus.com/blog/2026/09/how-to-design-load-tests-progressive-web-apps-2026https://loadfocus.com/blog/2026/09/how-to-design-load-tests-progressive-web-apps-2026Design effective load tests for progressive web apps, considering PWA architecture and caching in 2026.Wed, 16 Sep 2026 07:46:21 GMThttps://loadfocus.com/blog/2026/09/news-analysis-2026-ai-automated-test-script-generationhttps://loadfocus.com/blog/2026/09/news-analysis-2026-ai-automated-test-script-generationAI-driven automated test script generation enhances test coverage and improves software quality through faster and more accurate testing processes.Tue, 15 Sep 2026 09:45:00 GMThttps://loadfocus.com/blog/2026/09/opinion-continuous-validation-future-performance-testing-2026https://loadfocus.com/blog/2026/09/opinion-continuous-validation-future-performance-testing-2026Traffic spikes during a product launch? ML model input data drifts, causing slower predictions? A new API integration introduces untested code paths?Mon, 14 Sep 2026 05:07:53 GMThttps://loadfocus.com/blog/2026/09/performance-testing-serverless-architectures-2026-guidehttps://loadfocus.com/blog/2026/09/performance-testing-serverless-architectures-2026-guideMaster serverless architectures performance testing in 2026 with practical strategies, tools, and solutions for cold starts, scaling, and real-world load.Sat, 12 Sep 2026 07:37:32 GMThttps://loadfocus.com/blog/2026/09/common-api-performance-issues-detectionhttps://loadfocus.com/blog/2026/09/common-api-performance-issues-detectionDiscover 10 common API performance issues and how to detect them. Actionable tips for API developers and testers to optimize API reliability and speed.Thu, 10 Sep 2026 08:02:09 GMThttps://loadfocus.com/blog/2026/09/multi-cloud-performance-testing-setup-guide-2026https://loadfocus.com/blog/2026/09/multi-cloud-performance-testing-setup-guide-2026Set up end-to-end multi-cloud performance testing, with distributed load generation, vendor-agnostic tooling and cost controls that hold.Tue, 08 Sep 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/09/news-analysis-2026-quantum-computing-impact-cloud-testinghttps://loadfocus.com/blog/2026/09/news-analysis-2026-quantum-computing-impact-cloud-testingExplore quantum computing's 2026 impact on cloud testing, opportunities, and challenges.Tue, 08 Sep 2026 08:53:03 GMThttps://loadfocus.com/blog/2026/09/5g-networks-influence-cloud-testing-2026https://loadfocus.com/blog/2026/09/5g-networks-influence-cloud-testing-2026Explore how 5G networks reshape cloud testing with ultra-fast speeds, low latency, and network slicing, driving performance innovation in 2026.Mon, 07 Sep 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/09/case-study-boosting-ecommerce-checkout-speed-peak-loadhttps://loadfocus.com/blog/2026/09/case-study-boosting-ecommerce-checkout-speed-peak-loadA checkout speed case study: backend tuning and server-side caching under peak load, and the continuous testing that kept the gains honest.Sun, 06 Sep 2026 09:30:52 GMThttps://loadfocus.com/blog/2026/09/performance-testing-accessibility-metrics-2026https://loadfocus.com/blog/2026/09/performance-testing-accessibility-metrics-2026Learn why performance testing in 2026 must include accessibility metrics to create inclusive and high-performing digital experiences for all users.Sun, 06 Sep 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/09/scripted-vs-codeless-api-load-testing-comparison-2026https://loadfocus.com/blog/2026/09/scripted-vs-codeless-api-load-testing-comparison-2026Compare scripted and codeless API load testing tools in 2026. Discover strengths, limitations, and decision criteria to optimize your API's performance.Sat, 05 Sep 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/09/serverless-performance-testing-importance-2026https://loadfocus.com/blog/2026/09/serverless-performance-testing-importance-2026Serverless scaling is not a free pass. Why cold starts, concurrency limits and per-invocation cost make performance testing non-negotiable.Fri, 04 Sep 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/09/scripted-vs-ai-driven-load-testing-approaches-2026-comparisonhttps://loadfocus.com/blog/2026/09/scripted-vs-ai-driven-load-testing-approaches-2026-comparisonExplore scripted vs AI-driven load testing approaches. Learn strengths, limitations, and decision criteria for 2026 performance optimization.Fri, 04 Sep 2026 07:38:35 GMThttps://loadfocus.com/blog/2026/09/top-7-network-protocols-performance-testing-2026https://loadfocus.com/blog/2026/09/top-7-network-protocols-performance-testing-2026Seven network protocols testers should know in 2026, and how TLS handshakes, HTTP/2 and QUIC change what a load test actually measures.Thu, 03 Sep 2026 09:40:24 GMThttps://loadfocus.com/blog/2026/09/integrate-load-testing-results-with-business-kpishttps://loadfocus.com/blog/2026/09/integrate-load-testing-results-with-business-kpisTranslate load testing results into business KPIs like conversion rates and customer satisfaction to drive strategic decisions.Thu, 03 Sep 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/09/identify-fix-memory-leaks-load-testinghttps://loadfocus.com/blog/2026/09/identify-fix-memory-leaks-load-testingIdle: Just after startup, before any user or automated traffic. Nominal load: Typical daily activity, light user simulations or API calls.Wed, 02 Sep 2026 06:47:02 GMThttps://loadfocus.com/blog/2026/09/case-study-detecting-performance-regression-saas-automated-testing-2026https://loadfocus.com/blog/2026/09/case-study-detecting-performance-regression-saas-automated-testing-2026Explore how performance regression testing with automation identified critical issues in a SaaS product and maintained reliability.Tue, 01 Sep 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/08/cloud-load-testing-vs-local-enterprise-comparison-2026https://loadfocus.com/blog/2026/08/cloud-load-testing-vs-local-enterprise-comparison-2026Cloud against local load testing for enterprise apps, compared on scalability, cost and accuracy, and the trade-offs each approach forces.Mon, 31 Aug 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/08/serverless-computing-load-testing-2026-news-analysishttps://loadfocus.com/blog/2026/08/serverless-computing-load-testing-2026-news-analysisExplore how serverless computing transforms load testing strategies in 2026 and what testers must consider to stay ahead.Sun, 30 Aug 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/08/ai-chatbots-performance-testing-news-analysis-2026https://loadfocus.com/blog/2026/08/ai-chatbots-performance-testing-news-analysis-2026Learn how AI chatbots transform performance testing by improving scenario creation and analysis. Essential insights for QA teams to boost efficiency.Sun, 30 Aug 2026 05:13:01 GMThttps://loadfocus.com/blog/2026/08/cloud-testing-standards-2026-analysishttps://loadfocus.com/blog/2026/08/cloud-testing-standards-2026-analysisExplore the latest cloud testing standards in 2026, their impact on performance testing, and actionable strategies for organizations to stay ahead.Sat, 29 Aug 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/08/integrating-performance-testing-devops-toolchainshttps://loadfocus.com/blog/2026/08/integrating-performance-testing-devops-toolchainsEmbed performance testing in DevOps for continuous feedback, faster releases, and optimized reliability.Sat, 29 Aug 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/08/cloud-testing-sustainable-software-development-opinion-2026https://loadfocus.com/blog/2026/08/cloud-testing-sustainable-software-development-opinion-2026Explore how cloud testing supports sustainable software development by optimizing resource usage, reducing waste, and driving green IT initiatives.Sat, 29 Aug 2026 08:57:24 GMThttps://loadfocus.com/blog/2026/08/case-study-scenario-load-testing-media-streaming-performancehttps://loadfocus.com/blog/2026/08/case-study-scenario-load-testing-media-streaming-performanceLearn how load testing ensures top media streaming performance globally.Fri, 28 Aug 2026 09:27:54 GMThttps://loadfocus.com/blog/2026/08/performance-testing-2026-cloud-native-applicationshttps://loadfocus.com/blog/2026/08/performance-testing-2026-cloud-native-applicationsWhy performance testing matters more for cloud-native apps in 2026, as rising complexity and user expectations reshape how teams test.Fri, 28 Aug 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/08/synthetic-monitoring-vs-real-user-monitoring-comparison-2026https://loadfocus.com/blog/2026/08/synthetic-monitoring-vs-real-user-monitoring-comparison-2026Synthetic monitoring against real user monitoring: what each one sees, where they disagree, and how to decide which belongs in your stack.Fri, 28 Aug 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/08/cloud-testing-standards-2026-news-analysishttps://loadfocus.com/blog/2026/08/cloud-testing-standards-2026-news-analysisExplore the latest cloud testing standards in 2026, their impact on performance testing, and what organizations need to know to stay ahead.Thu, 27 Aug 2026 09:00:02 GMThttps://loadfocus.com/blog/2026/08/comparing-load-testing-tools-ci-cd-2026https://loadfocus.com/blog/2026/08/comparing-load-testing-tools-ci-cd-2026Discover the best load testing tools for CI/CD pipelines in 2026. Compare features, integrations, strengths, and real-world scenarios for DevOps teams.Thu, 27 Aug 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/08/cloud-vs-local-mobile-performance-testing-comparison-2026https://loadfocus.com/blog/2026/08/cloud-vs-local-mobile-performance-testing-comparison-2026Explore a detailed comparison of cloud testing vs local testing for mobile performance testing. Learn which approach fits your needs in 2026.Wed, 26 Aug 2026 08:11:11 GMThttps://loadfocus.com/blog/2026/08/case-study-optimizing-mobile-api-performance-global-retail-brand-2026https://loadfocus.com/blog/2026/08/case-study-optimizing-mobile-api-performance-global-retail-brand-2026Discover how targeted performance testing transformed mobile API performance for a global retail brand. Key strategies for mobile API performance in 2026.Fri, 21 Aug 2026 06:40:59 GMThttps://loadfocus.com/blog/2026/08/endurance-testing-soak-testinghttps://loadfocus.com/blog/2026/08/endurance-testing-soak-testingEndurance testing and soak testing are the same practice: normal load held for hours. What it catches, how long to run it, and how to read the trend.Thu, 20 Aug 2026 13:18:17 GMThttps://loadfocus.com/blog/2026/08/spike-testing-in-performance-testinghttps://loadfocus.com/blog/2026/08/spike-testing-in-performance-testingSpike testing applies traffic suddenly instead of ramping. Why autoscaling and cold caches fail in that window, and why recovery is half the test.Thu, 20 Aug 2026 13:18:17 GMThttps://loadfocus.com/blog/2026/08/volume-testing-in-software-testinghttps://loadfocus.com/blog/2026/08/volume-testing-in-software-testingVolume testing increases the data a system holds rather than the user count. What it finds, how to run one, and how to read the curve it produces.Thu, 20 Aug 2026 13:18:17 GMThttps://loadfocus.com/blog/2026/08/best-api-monitoring-toolshttps://loadfocus.com/blog/2026/08/best-api-monitoring-toolsA practical comparison of 10 API monitoring tools, what each is genuinely good at, which have real free tiers, and the open source options worth running.Wed, 19 Aug 2026 16:52:21 GMThttps://loadfocus.com/blog/2026/08/microservices-load-testing-cloud-guide-2026https://loadfocus.com/blog/2026/08/microservices-load-testing-cloud-guide-2026Testing services individually misses the failures that appear when they call each other.Thu, 13 Aug 2026 06:43:59 GMThttps://loadfocus.com/blog/2026/08/cloud-vs-on-premise-website-monitoring-comparison-2026https://loadfocus.com/blog/2026/08/cloud-vs-on-premise-website-monitoring-comparison-2026External monitoring catches outages your internal dashboards cannot see, because it fails the same way users do.Wed, 12 Aug 2026 08:04:29 GMThttps://loadfocus.com/blog/2026/08/edge-computing-impact-cloud-load-testing-2026https://loadfocus.com/blog/2026/08/edge-computing-impact-cloud-load-testing-2026Edge computing moves work closer to users, so a single-region load test no longer represents them.Sun, 09 Aug 2026 09:49:25 GMThttps://loadfocus.com/blog/2026/08/continuous-performance-testing-development-standard-2026https://loadfocus.com/blog/2026/08/continuous-performance-testing-development-standard-2026Performance testing before release finds problems too late to design around.Sat, 08 Aug 2026 05:03:32 GMThttps://loadfocus.com/blog/2026/08/saas-load-testing-case-study-ai-scaling-2026https://loadfocus.com/blog/2026/08/saas-load-testing-case-study-ai-scaling-2026Growth exposed capacity limits that had been invisible at lower traffic. The fixes were architectural, so finding them late would have been expensive.Fri, 07 Aug 2026 05:33:18 GMThttps://loadfocus.com/blog/2026/08/api-performance-testing-oauth2-guidehttps://loadfocus.com/blog/2026/08/api-performance-testing-oauth2-guideOAuth2 makes load testing harder because tokens expire mid-test and refresh adds its own latency.Thu, 06 Aug 2026 09:17:49 GMThttps://loadfocus.com/blog/2026/08/open-source-vs-commercial-load-testing-tools-2026-comparisonhttps://loadfocus.com/blog/2026/08/open-source-vs-commercial-load-testing-tools-2026-comparisonOpen source is free to licence and expensive to operate at scale. Decide on who maintains the tests, since that determines what survives a team change.Wed, 05 Aug 2026 08:39:54 GMThttps://loadfocus.com/blog/2026/07/monitor-mcp-serverhttps://loadfocus.com/blog/2026/07/monitor-mcp-serverLearn how to monitor an MCP server for uptime, auth, and latency. A step-by-step guide to a JSON-RPC tools/list health check with alerts.Wed, 22 Jul 2026 11:04:30 GMThttps://loadfocus.com/blog/2026/07/data-driven-load-testing-scripts-complex-user-journeyshttps://loadfocus.com/blog/2026/07/data-driven-load-testing-scripts-complex-user-journeysA script that replays one fixed user hides caching effects and looks faster than reality.Tue, 14 Jul 2026 07:55:06 GMThttps://loadfocus.com/blog/2026/07/ai-performance-testing-tools-2026-news-analysishttps://loadfocus.com/blog/2026/07/ai-performance-testing-tools-2026-news-analysisAI is moving performance testing from scripted runs to continuous analysis of production-like behaviour.Fri, 10 Jul 2026 05:52:08 GMThttps://loadfocus.com/blog/2026/07/essential-features-cloud-testing-platform-2026https://loadfocus.com/blog/2026/07/essential-features-cloud-testing-platform-2026Judge a platform on CI integration and result analysis, not on maximum virtual users.Sun, 05 Jul 2026 08:33:21 GMThttps://loadfocus.com/blog/2026/07/scheduled-load-testshttps://loadfocus.com/blog/2026/07/scheduled-load-testsA scheduled test only helps if it alerts, since nobody reads a passing report. Match frequency to deploy cadence rather than running nightly by default.Sat, 04 Jul 2026 11:53:16 GMThttps://loadfocus.com/blog/2026/07/simulate-realistic-user-behavior-load-testing-scenarioshttps://loadfocus.com/blog/2026/07/simulate-realistic-user-behavior-load-testing-scenariosMix journeys by real proportion rather than testing each endpoint evenly. Vary data per user, or caching makes the system look faster than it is.Sat, 04 Jul 2026 06:02:30 GMThttps://loadfocus.com/blog/2026/07/import-curl-har-postman-openapi-to-load-testshttps://loadfocus.com/blog/2026/07/import-curl-har-postman-openapi-to-load-testsTurn a cURL command, HAR file, Postman collection or OpenAPI spec into a runnable k6 script or JMeter test plan, free in your browser.Thu, 02 Jul 2026 12:52:38 GMThttps://loadfocus.com/blog/2026/07/cloud-testing-challenges-overcome-2026https://loadfocus.com/blog/2026/07/cloud-testing-challenges-overcome-2026The recurring challenges are test data, environment parity and cost control, not tooling.Wed, 01 Jul 2026 09:00:00 GMThttps://loadfocus.com/blog/2026/06/running-k6-at-scalehttps://loadfocus.com/blog/2026/06/running-k6-at-scaleManaged options mostly sell orchestration and retention rather than a faster engine. Decide by how often you run at scale, not by peak virtual users.Mon, 29 Jun 2026 08:40:32 GMThttps://loadfocus.com/blog/2026/06/api-performance-testing-challenges-solutions-2026https://loadfocus.com/blog/2026/06/api-performance-testing-challenges-solutions-2026Most API performance problems are not the API: they are authentication, data setup and rate limits.Sun, 28 Jun 2026 06:08:49 GMThttps://loadfocus.com/blog/2026/06/impact-of-network-latency-cloud-load-testing-accuracyhttps://loadfocus.com/blog/2026/06/impact-of-network-latency-cloud-load-testing-accuracyLatency between the load generator and your servers is added to every measurement.Thu, 25 Jun 2026 07:45:08 GMThttps://loadfocus.com/blog/2026/06/k6-vs-jmeterhttps://loadfocus.com/blog/2026/06/k6-vs-jmeterk6 vs JMeter compared in practice, plus Gatling, Locust and LoadRunner: scripting language, protocols, CI/CD, reporting and what scaling really costs.Mon, 22 Jun 2026 09:13:42 GMThttps://loadfocus.com/blog/2026/06/performance-testing-mistakes-how-to-avoidhttps://loadfocus.com/blog/2026/06/performance-testing-mistakes-how-to-avoidThe common mistakes are testing too late, testing an unrepresentative environment, and measuring averages.Sun, 21 Jun 2026 07:05:49 GMThttps://loadfocus.com/blog/2026/06/cloud-testing-security-best-practices-2026https://loadfocus.com/blog/2026/06/cloud-testing-security-best-practices-2026Test data is the exposure. Production copies in a test environment are the most common leak.Mon, 15 Jun 2026 08:44:45 GMThttps://loadfocus.com/blog/2026/06/reducing-api-latency-distributed-load-testing-case-studyhttps://loadfocus.com/blog/2026/06/reducing-api-latency-distributed-load-testing-case-studyThe fix came from finding which dependency dominated the tail, not the average. Re-testing after each change is what showed which one actually worked.Mon, 08 Jun 2026 07:35:42 GMThttps://loadfocus.com/blog/2026/06/ai-automated-load-testing-impact-2026https://loadfocus.com/blog/2026/06/ai-automated-load-testing-impact-2026AI mainly changes test design: generating realistic scenarios instead of you hand-writing them.Wed, 03 Jun 2026 07:58:20 GMThttps://loadfocus.com/blog/2026/05/optimize-load-testing-single-page-applicationshttps://loadfocus.com/blog/2026/05/optimize-load-testing-single-page-applicationsAn SPA does its work after the initial HTML, so HTTP-level tests miss most of it. Test the API calls the app makes, weighted the way the app makes them.Thu, 28 May 2026 08:19:28 GMThttps://loadfocus.com/blog/2026/05/what-are-virtual-users-in-load-testinghttps://loadfocus.com/blog/2026/05/what-are-virtual-users-in-load-testingA virtual user simulates one person's session, pauses included. How VUs differ from requests per second, and why think time decides the ratio.Wed, 27 May 2026 08:35:15 GMThttps://loadfocus.com/blog/2026/05/load-testing-vs-stress-testinghttps://loadfocus.com/blog/2026/05/load-testing-vs-stress-testingLoad tests verify how your system behaves under expected traffic. Stress tests push past it to find the breaking point.Mon, 25 May 2026 10:17:31 GMThttps://loadfocus.com/blog/2026/05/performance-testing-priority-mobile-first-businesses-2026https://loadfocus.com/blog/2026/05/performance-testing-priority-mobile-first-businesses-2026Mobile users abandon faster and on worse networks, so the tolerance is lower than desktop. Test on throttled connections rather than office wifi.Tue, 19 May 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/05/serverless-architecture-performance-testing-analysis-2026https://loadfocus.com/blog/2026/05/serverless-architecture-performance-testing-analysis-2026Cold starts make serverless latency bimodal, so averages describe neither case.Wed, 13 May 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/05/simplified-test-script-creation-load-testing-efficiency-2026https://loadfocus.com/blog/2026/05/simplified-test-script-creation-load-testing-efficiency-2026Most load testing time goes on writing and maintaining scripts, not on running them.Tue, 12 May 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/05/cutting-api-response-times-case-studyhttps://loadfocus.com/blog/2026/05/cutting-api-response-times-case-studyThe bottleneck was found by measuring, not by guessing at the obvious candidates. Re-test after each change so you know which one actually mattered.Mon, 11 May 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/04/intuitive-dashboards-load-testing-platforms-2026https://loadfocus.com/blog/2026/04/intuitive-dashboards-load-testing-platforms-2026Usability drives adoption more than feature depth in testing tools. Show the few numbers that trigger a decision, not everything the platform can plot.Tue, 28 Apr 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/04/mobile-app-load-times-case-study-cloud-load-testinghttps://loadfocus.com/blog/2026/04/mobile-app-load-times-case-study-cloud-load-testingMobile load time is dominated by network conditions rather than device speed. Testing from real regions surfaced delays that local testing never showed.Mon, 27 Apr 2026 00:00:01 GMThttps://loadfocus.com/blog/2026/04/performance-benchmarks-web-applications-guide-2026https://loadfocus.com/blog/2026/04/performance-benchmarks-web-applications-guide-2026A benchmark is only useful against a stated target, not as an isolated number.Sun, 26 Apr 2026 00:00:01 GMThttps://loadfocus.com/blog/2026/04/cloud-load-testing-vs-on-premise-for-startups-2026https://loadfocus.com/blog/2026/04/cloud-load-testing-vs-on-premise-for-startups-2026Cloud wins for startups on time to first test; on-premise wins only with strict data residency needs.Sat, 25 Apr 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/04/optimize-api-performance-testing-faster-resultshttps://loadfocus.com/blog/2026/04/optimize-api-performance-testing-faster-resultsMost API test time goes on setup and data, not on the requests themselves.Fri, 24 Apr 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/04/realistic-load-testing-scenarios-ecommercehttps://loadfocus.com/blog/2026/04/realistic-load-testing-scenarios-ecommerceModel the funnel: browsing, search, cart and checkout have very different costs.Thu, 23 Apr 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/04/cloud-testing-trends-2026-evolution-disruption-what-ctos-need-to-knowhttps://loadfocus.com/blog/2026/04/cloud-testing-trends-2026-evolution-disruption-what-ctos-need-to-knowTesting has shifted from a release gate to a continuous signal, which changes how teams are staffed.Tue, 21 Apr 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/04/user-friendly-testing-platforms-devops-2026https://loadfocus.com/blog/2026/04/user-friendly-testing-platforms-devops-2026Adoption depends on how quickly someone unfamiliar can get a useful result. More automation on top of a confusing tool multiplies the confusion.Mon, 20 Apr 2026 00:00:01 GMThttps://loadfocus.com/blog/2026/04/loadfocus-vs-jmeter-enterprise-load-testing-comparison-2026https://loadfocus.com/blog/2026/04/loadfocus-vs-jmeter-enterprise-load-testing-comparison-2026JMeter is free but the running cost is the infrastructure and expertise it needs.Fri, 17 Apr 2026 00:00:01 GMThttps://loadfocus.com/blog/2026/04/best-cloud-testing-tools-2026https://loadfocus.com/blog/2026/04/best-cloud-testing-tools-2026Cloud testing removes the load-generator capacity problem, which is what limits most on-premise tests.Thu, 16 Apr 2026 00:00:00 GMThttps://loadfocus.com/blog/2026/04/automated-load-testing-microservices-loadfocushttps://loadfocus.com/blog/2026/04/automated-load-testing-microservices-loadfocusTesting services in isolation misses the failures that only appear when they call each other.Wed, 15 Apr 2026 00:00:01 GMThttps://loadfocus.com/blog/2025/10/mastering-javascript-for-performancehttps://loadfocus.com/blog/2025/10/mastering-javascript-for-performanceJavaScript is usually the largest controllable cost on a modern page. Measure with a real device profile, since JS cost scales with CPU.Thu, 09 Oct 2025 09:15:00 GMThttps://loadfocus.com/blog/2025/10/sample-non-functional-requirementshttps://loadfocus.com/blog/2025/10/sample-non-functional-requirementsNon-functional requirements are testable numbers: response time, availability, throughput.Wed, 08 Oct 2025 08:14:00 GMThttps://loadfocus.com/blog/2025/10/rest-assured-api-testing-guidehttps://loadfocus.com/blog/2025/10/rest-assured-api-testing-guideRest Assured suits Java teams who want API tests living beside the rest of the code.Tue, 07 Oct 2025 11:13:00 GMThttps://loadfocus.com/blog/2025/10/mastering-software-performance-engineeringhttps://loadfocus.com/blog/2025/10/mastering-software-performance-engineeringPerformance engineering is a cycle across the lifecycle, not a test before release.Mon, 06 Oct 2025 10:13:00 GMThttps://loadfocus.com/blog/2025/10/canary-deploymenthttps://loadfocus.com/blog/2025/10/canary-deploymentA canary sends a small traffic slice to the new version so failures stay small and reversible.Sun, 05 Oct 2025 09:15:00 GMThttps://loadfocus.com/blog/2025/10/application-performance-monitoring-toolshttps://loadfocus.com/blog/2025/10/application-performance-monitoring-toolsAPM tells you what is slow in production; load testing tells you what will be slow before release.Sat, 04 Oct 2025 08:15:00 GMThttps://loadfocus.com/blog/2025/10/smoke-test-in-software-testinghttps://loadfocus.com/blog/2025/10/smoke-test-in-software-testingSmoke testing verifies that a build's critical paths work before deeper testing starts. How it differs from sanity and regression testing, with examples.Thu, 02 Oct 2025 15:23:50 GMThttps://loadfocus.com/blog/2025/09/online-api-tester-complete-guide-to-testing-apishttps://loadfocus.com/blog/2025/09/online-api-tester-complete-guide-to-testing-apisTest error paths and auth, not just the documented happy request. Save requests as a collection so a one-off check becomes a repeatable test.Tue, 30 Sep 2025 20:01:22 GMThttps://loadfocus.com/blog/2025/05/unit-testing-vs-functional-testinghttps://loadfocus.com/blog/2025/05/unit-testing-vs-functional-testingUnit tests check a piece in isolation; functional tests check behaviour a user would notice.Thu, 08 May 2025 07:48:00 GMThttps://loadfocus.com/blog/2025/05/concurrency-testinghttps://loadfocus.com/blog/2025/05/concurrency-testingIt needs shared state to be interesting. Stateless endpoints rarely reward it. Failures are intermittent by nature, so run repeatedly rather than once.Wed, 07 May 2025 13:02:00 GMThttps://loadfocus.com/blog/2025/05/using-csv-data-in-jmeter-testshttps://loadfocus.com/blog/2025/05/using-csv-data-in-jmeter-testsCSV data gives each virtual user its own inputs, which is what makes a run realistic.Wed, 07 May 2025 07:37:20 GMThttps://loadfocus.com/blog/2025/05/ai-load-testing-benchmark-any-tech-stack-no-codehttps://loadfocus.com/blog/2025/05/ai-load-testing-benchmark-any-tech-stack-no-codeCode-free load testing lowers the barrier for teams without a dedicated performance engineer.Tue, 06 May 2025 17:25:21 GMThttps://loadfocus.com/blog/2025/05/batch-testing-in-software-testinghttps://loadfocus.com/blog/2025/05/batch-testing-in-software-testingBatch testing groups related cases into one run, which cuts setup cost and shortens feedback.Mon, 05 May 2025 12:57:00 GMThttps://loadfocus.com/blog/comparisons/continuous-integration-ci-tools/https://loadfocus.com/blog/comparisons/continuous-integration-ci-tools/Continuous integration tools compared: pipeline speed decides whether CI gets used, ecosystem fit saves weeks, and self-hosting means a runner fleet to run.Thu, 01 May 2025 08:51:00 GMThttps://loadfocus.com/blog/2025/04/contract-testinghttps://loadfocus.com/blog/2025/04/contract-testingContract testing checks that a provider and consumer still agree, without running both together.Wed, 30 Apr 2025 13:11:00 GMThttps://loadfocus.com/blog/comparisons/chrome-developer-tools-for-mobile/https://loadfocus.com/blog/comparisons/chrome-developer-tools-for-mobile/Chrome developer tools for mobile: remote USB debugging shows the real device, device mode is for layout, and throttling shows what slow connections do.Mon, 28 Apr 2025 08:21:00 GMThttps://loadfocus.com/blog/2025/04/parameterization-in-jmeterhttps://loadfocus.com/blog/2025/04/parameterization-in-jmeterWithout it every thread hits the same record and you measure a cache. CSV data sets are the usual mechanism; check the sharing mode matches your intent.Wed, 23 Apr 2025 13:06:00 GMThttps://loadfocus.com/blog/comparisons/performance-testing-companies/https://loadfocus.com/blog/comparisons/performance-testing-companies/Performance testing companies in 2026: hire for a one-off launch rather than continuous testing, and ask whether they leave scripts behind or just a report.Wed, 23 Apr 2025 08:21:00 GMThttps://loadfocus.com/blog/2025/04/jmeter-ramp-up-periodhttps://loadfocus.com/blog/2025/04/jmeter-ramp-up-periodThe ramp-up period sets how quickly threads start, which shapes the whole test. Match the ramp to how traffic actually arrives for your application.Tue, 22 Apr 2025 07:10:09 GMThttps://loadfocus.com/blog/comparisons/grpc-load-testing-tools/https://loadfocus.com/blog/comparisons/grpc-load-testing-tools/gRPC load testing tools must speak HTTP/2 and protobuf. Compare five options, and test streaming calls separately because they behave differently under load.Mon, 21 Apr 2025 08:49:00 GMThttps://loadfocus.com/blog/2025/04/calculate-concurrent-usershttps://loadfocus.com/blog/2025/04/calculate-concurrent-usersConcurrent, simultaneous and active users are three different numbers, and mixing them invalidates the test.Sat, 19 Apr 2025 13:21:42 GMThttps://loadfocus.com/blog/2025/04/hardest-part-of-load-performance-testinghttps://loadfocus.com/blog/2025/04/hardest-part-of-load-performance-testingThe hard part is realism: matching real user behaviour, data and think time.Fri, 18 Apr 2025 12:19:00 GMThttps://loadfocus.com/blog/comparisons/bug-tracking-tools/https://loadfocus.com/blog/comparisons/bug-tracking-tools/Bug tracking tools compared: the workflow matters more than the tool, repository integration keeps issues tied to code, and reporting surfaces repeat bugs.Fri, 18 Apr 2025 08:49:00 GMThttps://loadfocus.com/blog/2025/04/rest-api-interview-questionshttps://loadfocus.com/blog/2025/04/rest-api-interview-questionsBe able to explain status code choices, since that is where vague answers show. Knowing when REST is the wrong choice is as useful as defending it.Thu, 17 Apr 2025 12:12:00 GMThttps://loadfocus.com/blog/2025/04/performance-testing-types-key-benefits-exampleshttps://loadfocus.com/blog/2025/04/performance-testing-types-key-benefits-examplesSoak testing finds leaks that a short run cannot, and spike testing finds recovery behaviour. Pick the type from the risk you are trying to retire.Wed, 16 Apr 2025 09:44:52 GMThttps://loadfocus.com/blog/comparisons/android-app-automation-testing-tools/https://loadfocus.com/blog/comparisons/android-app-automation-testing-tools/Android app automation testing tools compared: Appium for cross-platform reuse, Espresso for speed, and why device coverage costs more than the framework.Wed, 16 Apr 2025 08:49:00 GMThttps://loadfocus.com/blog/comparisons/mobile-app-security-testing-tools/https://loadfocus.com/blog/comparisons/mobile-app-security-testing-tools/Mobile app security testing tools: static and dynamic analysis find different problems, insecure storage is the common finding, so test the release build.Mon, 14 Apr 2025 08:48:00 GMThttps://loadfocus.com/blog/2025/04/guaranteed-faster-deployments-the-vital-loadfocus-circleci-connectionhttps://loadfocus.com/blog/2025/04/guaranteed-faster-deployments-the-vital-loadfocus-circleci-connectionFail the job on a threshold. A report nobody opens changes nothing. Keep the pipeline test short and schedule longer soak tests separately.Sat, 12 Apr 2025 07:15:46 GMThttps://loadfocus.com/blog/2025/04/how-to-boost-performance-testing-integrating-loadfocus-api-with-bitbucket-pipelineshttps://loadfocus.com/blog/2025/04/how-to-boost-performance-testing-integrating-loadfocus-api-with-bitbucket-pipelinesCalling the API from Bitbucket Pipelines makes performance a build step rather than a manual task. Gate on a threshold so a regression stops the build.Wed, 09 Apr 2025 09:06:33 GMThttps://loadfocus.com/blog/comparisons/penetration-testing-tools/https://loadfocus.com/blog/comparisons/penetration-testing-tools/Penetration testing tools find known issue classes while testers find system-specific ones. Scan regularly, pen test periodically, and get authorisation first.Wed, 09 Apr 2025 08:28:00 GMThttps://loadfocus.com/blog/comparisons/website-accessibility-testing-tools/https://loadfocus.com/blog/comparisons/website-accessibility-testing-tools/Website accessibility testing tools catch about a third of issues automatically. Keyboard and screen reader testing find the rest, so fix at component level.Mon, 07 Apr 2025 08:47:00 GMThttps://loadfocus.com/blog/comparisons/website-speed-test-tools/https://loadfocus.com/blog/comparisons/website-speed-test-tools/Website speed test tools for 2026: combine lab diagnostics with field data, test from your users' regions, and chase specific fixes rather than the score.Fri, 04 Apr 2025 08:04:00 GMThttps://loadfocus.com/blog/comparisons/sap-testing-tools/https://loadfocus.com/blog/comparisons/sap-testing-tools/SAP testing tools for 2026: transaction coverage and test data matter more than the framework, and upgrades drive regression cycles that automation repays.Wed, 02 Apr 2025 08:28:00 GMThttps://loadfocus.com/blog/comparisons/cross-browser-compatibility-testing-tools/https://loadfocus.com/blog/comparisons/cross-browser-compatibility-testing-tools/Cross-browser testing tools for 2026: test the browsers in your analytics, use real devices for rendering bugs, and run in parallel to keep CI viable.Tue, 01 Apr 2025 08:27:00 GMThttps://loadfocus.com/blog/comparisons/codeless-testing-tools/https://loadfocus.com/blog/comparisons/codeless-testing-tools/Codeless testing tools let more people write tests, but they struggle with dynamic content, and recorded tests break on layout changes. Compare 10 options.Mon, 31 Mar 2025 08:27:00 GMThttps://loadfocus.com/blog/comparisons/iot-testing-tools/https://loadfocus.com/blog/comparisons/iot-testing-tools/IoT testing tools for 2026: connectivity and protocol coverage matter more than device count. Simulate fleets, validate on real devices, test firmware updates.Thu, 27 Mar 2025 08:52:26 GMThttps://loadfocus.com/blog/comparisons/enterprise-load-testing-tools/https://loadfocus.com/blog/comparisons/enterprise-load-testing-tools/Enterprise load testing tools for 2026 compared on distribution, access control, reporting and CI fit, plus the expertise budget that often exceeds the licence.Wed, 26 Mar 2025 19:37:09 GMThttps://loadfocus.com/blog/comparisons/test-automation-statistics/https://loadfocus.com/blog/comparisons/test-automation-statistics/Test automation statistics for 2026, and how to read them: useful for direction and framing investment, not for benchmarking or setting your team's targets.Fri, 21 Mar 2025 15:11:00 GMThttps://loadfocus.com/blog/comparisons/negative-testing/https://loadfocus.com/blog/comparisons/negative-testing/Negative testing checks that a system rejects what it should. Cover invalid, boundary and malformed inputs, and assert on the error returned, not just failure.Wed, 19 Mar 2025 15:10:00 GMThttps://loadfocus.com/blog/comparisons/black-box-testing-techniques/https://loadfocus.com/blog/comparisons/black-box-testing-techniques/Black box testing techniques that work from the specification: boundary values and equivalence partitions give the most coverage for each test written.Mon, 17 Mar 2025 15:12:00 GMThttps://loadfocus.com/blog/comparisons/test-automation-frameworks/https://loadfocus.com/blog/comparisons/test-automation-frameworks/Test automation frameworks for 2026: pick one in your team's language, run it headless in CI, and remember test design matters more than framework choice.Fri, 14 Mar 2025 15:10:00 GMThttps://loadfocus.com/blog/comparisons/performance-testing-enterprise-software/https://loadfocus.com/blog/comparisons/performance-testing-enterprise-software/Performance testing best practices for enterprise software: set pass criteria first, use realistic data volumes, and test batch and integration windows too.Wed, 12 Mar 2025 15:08:00 GMThttps://loadfocus.com/blog/comparisons/enterprise-performance-testing-challenges/https://loadfocus.com/blog/comparisons/enterprise-performance-testing-challenges/Enterprise performance testing challenges: environment parity, test data and team coordination block releases, and testing late makes findings architectural.Mon, 10 Mar 2025 15:12:00 GMThttps://loadfocus.com/blog/comparisons/benefits-performance-testing-business/https://loadfocus.com/blog/comparisons/benefits-performance-testing-business/Performance testing benefits for your business: slow pages lose conversions, early testing costs less, and results should be framed as revenue protected.Fri, 07 Mar 2025 15:07:00 GMThttps://loadfocus.com/blog/2025/03/enterprise-software-testinghttps://loadfocus.com/blog/2025/03/enterprise-software-testingEnterprise testing is dominated by integration and data, not by writing more unit tests.Thu, 06 Mar 2025 15:21:16 GMThttps://loadfocus.com/blog/comparisons/dns-monitoring-tools/https://loadfocus.com/blog/comparisons/dns-monitoring-tools/DNS monitoring tools for 2026: DNS failures take everything down unseen by app monitoring, so check several resolvers and regions, plus expiry and DNSSEC.Thu, 09 Jan 2025 06:17:00 GMThttps://loadfocus.com/blog/comparisons/asset-management-software/https://loadfocus.com/blog/comparisons/asset-management-software/IT asset management software for 2026: automatic discovery, licence compliance and ticketing integration matter more than the asset database itself.Mon, 30 Dec 2024 06:17:00 GMThttps://loadfocus.com/blog/comparisons/infrastructure-monitoring-tools/https://loadfocus.com/blog/comparisons/infrastructure-monitoring-tools/Infrastructure monitoring tools for 2026: collect metrics, logs and traces, alert only on user-visible symptoms, and set a retention policy before costs grow.Thu, 26 Dec 2024 06:17:00 GMThttps://loadfocus.com/blog/comparisons/server-monitoring-software/https://loadfocus.com/blog/comparisons/server-monitoring-software/Server monitoring software for 2026: agent-based for depth, agentless for coverage. Alert on saturation and error rate, and plan retention and alert routing.Wed, 18 Dec 2024 06:17:00 GMThttps://loadfocus.com/blog/comparisons/network-monitoring-software/https://loadfocus.com/blog/comparisons/network-monitoring-software/Network monitoring software reviewed: watch the path rather than just the endpoints, baseline normal traffic first, and use both SNMP and flow data together.Mon, 16 Dec 2024 06:29:00 GMThttps://loadfocus.com/blog/comparisons/cloud-security-tools/https://loadfocus.com/blog/comparisons/cloud-security-tools/Cloud security tools reviewed: misconfiguration causes more breaches than exploits, so start with posture management and keep alert volume triageable.Thu, 12 Dec 2024 06:28:00 GMThttps://loadfocus.com/blog/comparisons/cloud-management-platforms/https://loadfocus.com/blog/comparisons/cloud-management-platforms/Cloud management platforms compared: a CMP earns its place with multi-cloud or cost governance, and drift handling is where the promises usually break.Fri, 06 Dec 2024 06:27:00 GMThttps://loadfocus.com/blog/comparisons/web-application-testing-tools/https://loadfocus.com/blog/comparisons/web-application-testing-tools/Web application testing tools for 2026: cover functional, performance and accessibility separately, and favour CI-friendly tools whose results you can diff.Thu, 05 Dec 2024 06:45:07 GMThttps://loadfocus.com/blog/2024/10/monitoring-best-practices-devops-developershttps://loadfocus.com/blog/2024/10/monitoring-best-practices-devops-developersMonitor what users experience first, then the infrastructure underneath it.Thu, 31 Oct 2024 12:13:18 GMThttps://loadfocus.com/blog/2024/10/how-to-improve-user-experience-using-synthetic-monitoringhttps://loadfocus.com/blog/2024/10/how-to-improve-user-experience-using-synthetic-monitoringSynthetic monitoring runs a scripted journey on a schedule, so you find failures before users report them.Wed, 30 Oct 2024 11:52:06 GMThttps://loadfocus.com/blog/comparisons/observability-tools/https://loadfocus.com/blog/comparisons/observability-tools/Observability tools for 2026: ask new questions without new instrumentation, start with traces if you choose one pillar, and watch cardinality costs closely.Tue, 29 Oct 2024 13:39:59 GMThttps://loadfocus.com/blog/comparisons/redis-monitoring-tools/https://loadfocus.com/blog/comparisons/redis-monitoring-tools/Redis monitoring tools for 2026: watch memory, evictions and latency, since Redis fails on memory long before CPU. Track the slowlog and alert on evictions.Mon, 28 Oct 2024 16:35:22 GMThttps://loadfocus.com/blog/comparisons/saas-affiliate-programs/https://loadfocus.com/blog/comparisons/saas-affiliate-programs/SaaS affiliate programs that pay well in 2026: recurring commission beats one-off payouts, and cookie windows and attribution decide what you actually earn.Wed, 23 Oct 2024 09:39:13 GMThttps://loadfocus.com/blog/comparisons/antivirus-software/https://loadfocus.com/blog/comparisons/antivirus-software/Antivirus software for Windows and Mac compared on performance impact and false positives, since detection rates now cluster closely across the top tools.Fri, 11 Oct 2024 16:37:44 GMThttps://loadfocus.com/blog/comparisons/jmeter-testing-tools/https://loadfocus.com/blog/comparisons/jmeter-testing-tools/A comparison of 12 JMeter testing tools plus 3 open source options: what each is genuinely good at, and when a hosted runner beats maintaining your own…Fri, 04 Oct 2024 06:46:25 GMThttps://loadfocus.com/blog/comparisons/usability-testing-tools/https://loadfocus.com/blog/comparisons/usability-testing-tools/Usability testing tools for 2026: five users surface most problems, recordings show what happened while interviews explain why. Test the task, not the UI.Wed, 25 Sep 2024 14:48:10 GMThttps://loadfocus.com/blog/comparisons/screen-capture-tools/https://loadfocus.com/blog/comparisons/screen-capture-tools/Screen capture tools for 2026 compared on annotation, video for timing issues, and where recordings are stored, since screens often hold customer data.Tue, 24 Sep 2024 15:15:10 GMThttps://loadfocus.com/blog/comparisons/chrome-extensions-for-testing/https://loadfocus.com/blog/comparisons/chrome-extensions-for-testing/Chrome extensions for testing in 2026: best for capture and inspection rather than running suites. Audit permissions first, since they see every page.Tue, 17 Sep 2024 14:46:00 GMThttps://loadfocus.com/blog/comparisons/devops-automation-tools/https://loadfocus.com/blog/comparisons/devops-automation-tools/DevOps automation tools for 2026: automate build, deploy and rollback handoffs first, and prefer tools with wide integrations over ones that need a specialist.Fri, 13 Sep 2024 16:42:10 GMThttps://loadfocus.com/blog/2024/08/chromium-vs-chromehttps://loadfocus.com/blog/2024/08/chromium-vs-chromeChromium is the open-source base; Chrome adds proprietary codecs, auto-update and Google services.Fri, 23 Aug 2024 17:51:49 GMThttps://loadfocus.com/blog/comparisons/top-5-ssl-certificate-monitoring-tools-to-keep-your-website-secure-in-2024/https://loadfocus.com/blog/comparisons/top-5-ssl-certificate-monitoring-tools-to-keep-your-website-secure-in-2024/SSL certificate monitoring tools prevent expiry outages. Alert weeks ahead, since renewal and deployment are separate steps, and check the deployed chain too.Wed, 14 Aug 2024 14:17:38 GMThttps://loadfocus.com/blog/comparisons/free-ssl-checkers/https://loadfocus.com/blog/comparisons/free-ssl-checkers/Free SSL checkers verify the chain, expiry and configuration. An incomplete chain works in browsers but fails in API clients, which is why it goes unnoticed.Wed, 14 Aug 2024 10:09:59 GMThttps://loadfocus.com/blog/comparisons/self-hosted-status-pages/https://loadfocus.com/blog/comparisons/self-hosted-status-pages/Self-hosted status pages for 2026: a status page must not share infrastructure with what it reports on, and updates should come from monitoring, not by hand.Tue, 13 Aug 2024 12:44:00 GMThttps://loadfocus.com/blog/comparisons/apm-tools/https://loadfocus.com/blog/comparisons/apm-tools/APM tools compared for 2026: trace quality is what gets you from alert to cause, and data-based pricing makes your sampling policy matter as much as features.Mon, 12 Aug 2024 11:38:00 GMThttps://loadfocus.com/blog/comparisons/core-web-vitals-tools/https://loadfocus.com/blog/comparisons/core-web-vitals-tools/Core Web Vitals monitoring tools: lab tools diagnose, field data ranks. Track your top landing pages over time, since regressions arrive with deploys.Sun, 11 Aug 2024 12:30:00 GMThttps://loadfocus.com/blog/2024/08/speed-up-wordpress-sitehttps://loadfocus.com/blog/2024/08/speed-up-wordpress-siteCaching and image optimisation deliver most of the available gain on WordPress.Sun, 11 Aug 2024 09:56:01 GMThttps://loadfocus.com/blog/2024/08/how-to-monitor-and-check-the-performance-of-an-api-deployed-on-azurehttps://loadfocus.com/blog/2024/08/how-to-monitor-and-check-the-performance-of-an-api-deployed-on-azureMonitor from outside Azure as well as inside, or you miss what customers experience.Sat, 10 Aug 2024 07:55:08 GMThttps://loadfocus.com/blog/comparisons/graphql-clients/https://loadfocus.com/blog/comparisons/graphql-clients/GraphQL clients for JavaScript and Node.js compared on caching strategy and bundle size, plus when a plain fetch wrapper is all your app actually needs.Fri, 09 Aug 2024 15:30:43 GMThttps://loadfocus.com/blog/comparisons/load-testing-tools/https://loadfocus.com/blog/comparisons/load-testing-tools/Load testing tools for web apps, websites and APIs: choose on test authoring and maintenance, cloud load generation and CI integration before feature lists.Fri, 09 Aug 2024 07:20:25 GMThttps://loadfocus.com/blog/comparisons/jmeter-alternatives/https://loadfocus.com/blog/comparisons/jmeter-alternatives/JMeter alternatives for load testing in 2026: k6 and Gatling for code-first teams, hosted tools for teams without a performance engineer, and migration costs.Thu, 08 Aug 2024 11:00:30 GMThttps://loadfocus.com/blog/2024/08/how-to-set-up-domain-expiration-monitoring-a-step-by-step-tutorialhttps://loadfocus.com/blog/2024/08/how-to-set-up-domain-expiration-monitoring-a-step-by-step-tutorialDomain expiry takes sites down completely and is entirely preventable. Alert weeks ahead, not days, since transfers and payment issues take time.Wed, 07 Aug 2024 13:51:52 GMThttps://loadfocus.com/blog/tech/2024/07/how-to-optimize-interaction-to-next-paint-for-better-seohttps://loadfocus.com/blog/tech/2024/07/how-to-optimize-interaction-to-next-paint-for-better-seoINP replaced FID and measures responsiveness across the whole visit, not just the first input.Tue, 30 Jul 2024 11:04:51 GMThttps://loadfocus.com/blog/2024/07/top-10-tools-for-monitoring-oauth-client-credentials-endpointshttps://loadfocus.com/blog/2024/07/top-10-tools-for-monitoring-oauth-client-credentials-endpointsMonitor token acquisition end to end, not just that the host responds. Alert on latency as well as errors, since slow tokens time out downstream.Mon, 22 Jul 2024 11:09:05 GMThttps://loadfocus.com/blog/tech/2024/07/how-are-parameters-sent-in-an-http-post-requesthttps://loadfocus.com/blog/tech/2024/07/how-are-parameters-sent-in-an-http-post-requestPOST parameters travel in the body, not the URL, which is why they do not appear in logs.Fri, 19 Jul 2024 10:47:28 GMThttps://loadfocus.com/blog/2024/07/transform-your-business-with-api-monitoringhttps://loadfocus.com/blog/2024/07/transform-your-business-with-api-monitoringAPI monitoring catches failures between your services and the customers depending on them.Tue, 16 Jul 2024 11:33:35 GMThttps://loadfocus.com/blog/2024/07/from-slow-to-superfast-how-to-improve-your-website-speed-in-10-easy-stepshttps://loadfocus.com/blog/2024/07/from-slow-to-superfast-how-to-improve-your-website-speed-in-10-easy-stepsThe biggest wins are usually images, requests and caching, in that order.Mon, 15 Jul 2024 12:59:22 GMThttps://loadfocus.com/blog/2024/07/quickly-establish-a-performance-baseline-a-simple-guide-for-immediate-resultshttps://loadfocus.com/blog/2024/07/quickly-establish-a-performance-baseline-a-simple-guide-for-immediate-resultsA baseline turns future runs into comparisons instead of isolated numbers. Capture it on a stable build under representative load, then leave it alone.Tue, 09 Jul 2024 08:32:51 GMThttps://loadfocus.com/blog/2024/06/unlock-the-secret-to-effortlessly-overcoming-load-testing-obstacleshttps://loadfocus.com/blog/2024/06/unlock-the-secret-to-effortlessly-overcoming-load-testing-obstaclesThe recurring obstacles are environment parity, test data and interpreting results. Most of them are planning problems rather than tooling problems.Fri, 14 Jun 2024 13:07:59 GMThttps://loadfocus.com/blog/2024/03/generating-dynamic-ids-in-jmeter-for-enhanced-test-automationhttps://loadfocus.com/blog/2024/03/generating-dynamic-ids-in-jmeter-for-enhanced-test-automationThree ways to generate unique IDs in JMeter test plans: the __UUID function, the Counter config element and __time, with when to use each.Mon, 04 Mar 2024 13:01:40 GMThttps://loadfocus.com/blog/2024/02/understanding-github-actions-step-by-step-guide-for-beginnershttps://loadfocus.com/blog/2024/02/understanding-github-actions-step-by-step-guide-for-beginnersA workflow is triggered by an event and runs jobs made of steps, which is the whole model.Sun, 25 Feb 2024 12:40:01 GMThttps://loadfocus.com/blog/2024/02/what-is-webdriverio-unlock-the-secrets-of-automated-testinghttps://loadfocus.com/blog/2024/02/what-is-webdriverio-unlock-the-secrets-of-automated-testingWebdriverIO drives both browsers and mobile apps through the WebDriver protocol. Choose it when you need one framework across web and mobile.Thu, 22 Feb 2024 19:05:56 GMThttps://loadfocus.com/blog/2024/02/what-is-puppeteer-a-tutorial-on-how-to-use-puppeteerhttps://loadfocus.com/blog/2024/02/what-is-puppeteer-a-tutorial-on-how-to-use-puppeteerPuppeteer controls headless Chrome and suits scraping, PDFs and screenshots as much as testing.Thu, 15 Feb 2024 08:17:10 GMThttps://loadfocus.com/blog/2024/02/what-is-playwright-an-automation-framework-tutorialhttps://loadfocus.com/blog/2024/02/what-is-playwright-an-automation-framework-tutorialPlaywright drives Chromium, Firefox and WebKit through one API. Auto-waiting removes most of the sleep-based flakiness older frameworks suffer from.Wed, 14 Feb 2024 14:34:36 GMThttps://loadfocus.com/blog/2024/02/avoid-these-common-mocking-mistakes-in-api-testinghttps://loadfocus.com/blog/2024/02/avoid-these-common-mocking-mistakes-in-api-testingA mock that never fails teaches you nothing. Model timeouts and errors, not just the happy path.Wed, 07 Feb 2024 15:36:05 GMThttps://loadfocus.com/blog/2024/01/how-to-make-a-request-execute-faster-in-jmeter-a-comprehensive-guidehttps://loadfocus.com/blog/2024/01/how-to-make-a-request-execute-faster-in-jmeter-a-comprehensive-guideRemove requests that do not contribute to the scenario you are measuring. Run non-GUI. The GUI itself consumes the resources you wanted for load.Fri, 26 Jan 2024 13:03:18 GMThttps://loadfocus.com/blog/2023/12/top-10-lessons-learned-in-load-testing-this-yearhttps://loadfocus.com/blog/2023/12/top-10-lessons-learned-in-load-testing-this-yearMost lessons are about realism: data, think time and environment parity. A result nobody acts on is the same as not testing.Fri, 22 Dec 2023 10:40:14 GMThttps://loadfocus.com/blog/2023/11/what-is-a-qa-teamhttps://loadfocus.com/blog/2023/11/what-is-a-qa-teamQA is broader than finding bugs: it covers process, risk and release confidence.Mon, 06 Nov 2023 10:00:09 GMThttps://loadfocus.com/blog/2023/11/what-is-json-schema-a-step-by-step-guidehttps://loadfocus.com/blog/2023/11/what-is-json-schema-a-step-by-step-guideIt turns API documentation into something machine-checkable in tests. Start with required fields and types; add constraints once the basics hold.Thu, 02 Nov 2023 13:32:18 GMThttps://loadfocus.com/blog/2023/09/fix-slow-loading-pageshttps://loadfocus.com/blog/2023/09/fix-slow-loading-pagesMeasure before optimising. Most slow pages have one dominant cause, not six small ones.Sun, 03 Sep 2023 18:06:13 GMThttps://loadfocus.com/blog/2023/08/contextual-documentation-revolutionizing-user-onboarding-with-loadfocushttps://loadfocus.com/blog/2023/08/contextual-documentation-revolutionizing-user-onboarding-with-loadfocusDive into LoadFocus's enhanced user experience with contextual documentation. Streamline your onboarding and understand metrics with in-app guidance.Tue, 22 Aug 2023 14:58:11 GMThttps://loadfocus.com/blog/2023/08/avoid-the-crash-proven-strategies-for-load-testing-azure-web-appshttps://loadfocus.com/blog/2023/08/avoid-the-crash-proven-strategies-for-load-testing-azure-web-appsLoad test an Azure Web App without crashing it. Autoscaling reacts after load arrives, so test the scale-out itself, not the steady state.Thu, 10 Aug 2023 11:23:46 GMThttps://loadfocus.com/blog/2023/07/how-to-load-test-your-php-websitehttps://loadfocus.com/blog/2023/07/how-to-load-test-your-php-websiteLoad test a PHP site with Apache JMeter. PHP scales by process, so the worker pool usually caps you long before the code itself does.Wed, 26 Jul 2023 12:31:31 GMThttps://loadfocus.com/blog/2023/07/how-frontend-performance-testing-can-catapult-your-business-to-the-tophttps://loadfocus.com/blog/2023/07/how-frontend-performance-testing-can-catapult-your-business-to-the-topBackend metrics can look healthy while the page users see is still slow. Measure on a real device profile. Desktop numbers flatter almost every site.Tue, 18 Jul 2023 14:25:44 GMThttps://loadfocus.com/blog/2023/07/googles-best-kept-secret-how-page-speed-insights-can-skyrocket-your-rankingshttps://loadfocus.com/blog/2023/07/googles-best-kept-secret-how-page-speed-insights-can-skyrocket-your-rankingsPageSpeed Insights reports both lab and field data, and only the field data affects ranking.Mon, 17 Jul 2023 09:41:32 GMThttps://loadfocus.com/blog/2023/05/ci-cd-best-practiceshttps://loadfocus.com/blog/2023/05/ci-cd-best-practicesKeep the pipeline fast. A suite people skip because it is slow provides no safety at all.Fri, 05 May 2023 06:57:04 GMThttps://loadfocus.com/blog/2023/04/how-are-throughput-and-response-time-relatedhttps://loadfocus.com/blog/2023/04/how-are-throughput-and-response-time-relatedThroughput and response time diverge under load: throughput plateaus while response time climbs. Report both. Either one alone can be made to look good.Thu, 27 Apr 2023 13:00:51 GMThttps://loadfocus.com/blog/2023/04/flaky-tests-in-software-testinghttps://loadfocus.com/blog/2023/04/flaky-tests-in-software-testingA flaky test is worse than no test, because it trains the team to ignore red builds.Wed, 19 Apr 2023 14:31:22 GMThttps://loadfocus.com/blog/2023/04/customizable-widgets-on-loadfocus-dashboardhttps://loadfocus.com/blog/2023/04/customizable-widgets-on-loadfocus-dashboardA dashboard is only useful if it shows the few numbers you act on. Arrange widgets around a question you ask often rather than around what is available.Mon, 10 Apr 2023 16:03:29 GMThttps://loadfocus.com/blog/2022/12/i-want-to-load-test-my-new-website-where-do-i-beginhttps://loadfocus.com/blog/2022/12/i-want-to-load-test-my-new-website-where-do-i-beginStart with the objective: a target user count and an acceptable response time. Run a small test first to validate the setup, then scale up.Thu, 08 Dec 2022 11:56:05 GMThttps://loadfocus.com/blog/2022/11/improve-your-websites-seo-for-better-search-rankinghttps://loadfocus.com/blog/2022/11/improve-your-websites-seo-for-better-search-rankingContent that answers a real query outranks technically perfect pages about nothing. Site speed and crawlability are prerequisites rather than tactics.Wed, 16 Nov 2022 16:44:37 GMThttps://loadfocus.com/blog/2022/04/what-is-cpu-utilization-in-performance-testinghttps://loadfocus.com/blog/2022/04/what-is-cpu-utilization-in-performance-testingCPU utilisation shows whether the server is working or waiting, which changes the diagnosis.Tue, 19 Apr 2022 15:30:34 GMThttps://loadfocus.com/blog/2022/03/actively-measure-the-right-key-metrics-during-performance-testinghttps://loadfocus.com/blog/2022/03/actively-measure-the-right-key-metrics-during-performance-testingResponse time alone hides the problem. Track throughput, error rate and resource use alongside it.Mon, 28 Mar 2022 05:56:51 GMThttps://loadfocus.com/blog/2022/02/some-websites-are-just-too-slowhttps://loadfocus.com/blog/2022/02/some-websites-are-just-too-slowUsers judge speed in the first couple of seconds, and most sites lose them there. Measure before assuming; the obvious culprit is often not the cause.Mon, 21 Feb 2022 12:07:52 GMThttps://loadfocus.com/blog/2022/01/how-to-add-notes-to-your-load-test-resultshttps://loadfocus.com/blog/2022/01/how-to-add-notes-to-your-load-test-resultsNotes capture why a run looked the way it did, which raw metrics never record. Write the note at the time. The context is gone within a week.Thu, 20 Jan 2022 12:28:56 GMThttps://loadfocus.com/blog/2022/01/how-to-compare-two-load-tests-using-the-baseline-comparison-featurehttps://loadfocus.com/blog/2022/01/how-to-compare-two-load-tests-using-the-baseline-comparison-featureUpdate the baseline deliberately when performance genuinely improves. Compare full results, not just the summary, since averages hide a worse tail.Tue, 18 Jan 2022 08:45:57 GMThttps://loadfocus.com/blog/2022/01/how-to-test-oauth-secured-apis-apps-using-jmeterhttps://loadfocus.com/blog/2022/01/how-to-test-oauth-secured-apis-apps-using-jmeterTest OAuth-secured APIs in JMeter: fetch the token once, extract it with a JSON extractor, reuse it in a header manager, keep it out of timed samples.Mon, 03 Jan 2022 08:29:45 GMThttps://loadfocus.com/blog/2021/12/why-you-should-start-improving-the-images-on-your-websitehttps://loadfocus.com/blog/2021/12/why-you-should-start-improving-the-images-on-your-websiteImages are usually the largest thing on a page and the easiest to fix. Modern formats and correct dimensions cut weight without visible quality loss.Mon, 13 Dec 2021 13:07:28 GMThttps://loadfocus.com/blog/2021/12/too-many-cloud-testing-tools-are-distracting-and-addictive-heres-how-to-fix-ithttps://loadfocus.com/blog/2021/12/too-many-cloud-testing-tools-are-distracting-and-addictive-heres-how-to-fix-itTool sprawl fragments results so no single view is trustworthy. Consolidate on what integrates with your pipeline rather than what demos best.Mon, 06 Dec 2021 22:48:00 GMThttps://loadfocus.com/blog/2021/12/how-to-use-csv-data-set-to-configure-jmeter-testshttps://loadfocus.com/blog/2021/12/how-to-use-csv-data-set-to-configure-jmeter-testsA CSV data set gives each virtual user different inputs, which is what makes a test realistic.Wed, 01 Dec 2021 14:49:23 GMThttps://loadfocus.com/blog/2021/10/why-are-percentiles-more-useful-than-averages-in-performance-testinghttps://loadfocus.com/blog/2021/10/why-are-percentiles-more-useful-than-averages-in-performance-testingAn average hides the slow tail, and the tail is what users complain about. p95 and p99 describe the experience of your least fortunate users.Wed, 20 Oct 2021 08:59:53 GMThttps://loadfocus.com/blog/2021/09/how-to-monitor-core-web-vitals-for-your-website-with-alerts-and-reportshttps://loadfocus.com/blog/2021/09/how-to-monitor-core-web-vitals-for-your-website-with-alerts-and-reportsScheduled checks turn Core Web Vitals from an occasional audit into a trend you can act on.Tue, 28 Sep 2021 11:47:47 GMThttps://loadfocus.com/blog/2021/07/how-to-monitor-the-seo-of-your-websitehttps://loadfocus.com/blog/2021/07/how-to-monitor-the-seo-of-your-websiteSEO monitoring catches silent breakage: a noindex shipped by accident, or a redirect chain.Tue, 13 Jul 2021 13:52:37 GMThttps://loadfocus.com/blog/2021/06/how-to-create-an-alias-to-easily-start-jmeter-on-your-local-machinehttps://loadfocus.com/blog/2021/06/how-to-create-an-alias-to-easily-start-jmeter-on-your-local-machineAn alias saves typing the full JMeter path on every launch. Point the alias at the version you actually intend to run if several are installed.Tue, 01 Jun 2021 07:44:39 GMThttps://loadfocus.com/blog/2021/05/so-you-want-to-become-a-software-testing-experthttps://loadfocus.com/blog/2021/05/so-you-want-to-become-a-software-testing-expertDepth in one area beats shallow familiarity with every tool. Automation is a skill within testing, not a replacement for knowing what to test.Wed, 19 May 2021 06:33:53 GMThttps://loadfocus.com/blog/2021/04/what-is-hits-per-second-in-performance-testinghttps://loadfocus.com/blog/2021/04/what-is-hits-per-second-in-performance-testingHits per second counts every request including assets, so it exceeds page views substantially. It shows server workload rather than user activity.Mon, 26 Apr 2021 15:32:00 GMThttps://loadfocus.com/blog/2021/03/how-to-create-multilingual-reports-for-performance-testshttps://loadfocus.com/blog/2021/03/how-to-create-multilingual-reports-for-performance-testsSet the language per report rather than per account when teams are mixed. The numbers are the same either way, so this is about adoption, not accuracy.Thu, 11 Mar 2021 09:06:57 GMThttps://loadfocus.com/blog/2021/02/how-to-load-test-restful-apis-with-loadfocushttps://loadfocus.com/blog/2021/02/how-to-load-test-restful-apis-with-loadfocusLoad test the endpoints your clients actually call, weighted the way they call them. Assert on the response body as well as the status code.Mon, 15 Feb 2021 08:54:23 GMThttps://loadfocus.com/blog/2021/02/understanding-standard-deviation-in-performance-testinghttps://loadfocus.com/blog/2021/02/understanding-standard-deviation-in-performance-testingTwo runs with the same mean can behave completely differently, and this is how you tell. Pair it with percentiles rather than reporting either alone.Fri, 05 Feb 2021 12:03:42 GMThttps://loadfocus.com/blog/2021/01/how-to-improve-your-wordpress-performance-scorehttps://loadfocus.com/blog/2021/01/how-to-improve-your-wordpress-performance-scoreCaching plus image optimisation covers the majority of the available gain. Audit plugins periodically. Each one adds queries and assets to every page.Wed, 06 Jan 2021 08:05:04 GMThttps://loadfocus.com/blog/2020/12/which-is-the-execution-order-of-elements-in-apache-jmeterhttps://loadfocus.com/blog/2020/12/which-is-the-execution-order-of-elements-in-apache-jmeterJMeter runs elements in a fixed order: config, pre-processors, timers, samplers, post-processors, assertions, listeners. The rules that trip people up.Fri, 04 Dec 2020 16:13:58 GMThttps://loadfocus.com/blog/2020/11/agile-software-release-checklist-manifestohttps://loadfocus.com/blog/2020/11/agile-software-release-checklist-manifestoReleasing often only works if the pre-release checks are automated and identical every time.Fri, 27 Nov 2020 14:27:06 GMThttps://loadfocus.com/blog/2020/11/record-jmeter-tests-chrome-extensionhttps://loadfocus.com/blog/2020/11/record-jmeter-tests-chrome-extensionRecording in the browser captures the real request sequence including headers you would otherwise miss.Tue, 17 Nov 2020 09:46:47 GMThttps://loadfocus.com/blog/2020/10/which-language-is-used-in-jmeterhttps://loadfocus.com/blog/2020/10/which-language-is-used-in-jmeterJMeter is written in Java and needs a JRE. Test plans are XML; in-test scripting uses Groovy (JSR223), Beanshell or JavaScript. What that means for you.Wed, 07 Oct 2020 13:11:14 GMThttps://loadfocus.com/blog/2020/10/how-does-apache-jmeter-workhttps://loadfocus.com/blog/2020/10/how-does-apache-jmeter-workJMeter builds a test plan of thread groups and samplers, then runs it as concurrent Java threads.Fri, 02 Oct 2020 08:38:18 GMThttps://loadfocus.com/blog/2020/09/where-to-find-the-configuration-files-for-jmeter-when-installed-with-homebrewhttps://loadfocus.com/blog/2020/09/where-to-find-the-configuration-files-for-jmeter-when-installed-with-homebrewUse brew –prefix to locate the install rather than guessing the path. Edit the properties file there, and remember an upgrade can replace it.Sat, 12 Sep 2020 09:59:12 GMThttps://loadfocus.com/blog/2020/09/how-to-increase-heap-size-in-jmeterhttps://loadfocus.com/blog/2020/09/how-to-increase-heap-size-in-jmeterJMeter defaults to a small heap, which causes out-of-memory failures on large tests.Thu, 10 Sep 2020 09:32:54 GMThttps://loadfocus.com/blog/2020/09/how-to-install-extra-plugins-in-jmeter-using-the-plugins-managerhttps://loadfocus.com/blog/2020/09/how-to-install-extra-plugins-in-jmeter-using-the-plugins-managerThe Plugins Manager handles dependencies, which manual jar copying does not. Install it once, then add and update plugins from inside JMeter.Tue, 08 Sep 2020 08:23:14 GMThttps://loadfocus.com/blog/2020/09/why-does-installing-jmeter-with-homebrew-gives-invalid-option-with-pluginshttps://loadfocus.com/blog/2020/09/why-does-installing-jmeter-with-homebrew-gives-invalid-option-with-pluginsThe with-plugins option was removed when Homebrew dropped formula options. Install JMeter first, then add plugins with the JMeter Plugins Manager.Sun, 06 Sep 2020 10:59:22 GMThttps://loadfocus.com/blog/2020/09/how-to-install-jmeter-on-machttps://loadfocus.com/blog/2020/09/how-to-install-jmeter-on-macInstall Apache JMeter on macOS with Homebrew or the archive, fix the Java version, and start it from the terminal. Then run the same script in the cloud.Wed, 02 Sep 2020 09:22:35 GMThttps://loadfocus.com/blog/2020/04/cypress-the-web-testing-framework-of-the-momenthttps://loadfocus.com/blog/2020/04/cypress-the-web-testing-framework-of-the-momentCypress runs in the browser alongside your app, which makes debugging far more direct.Thu, 02 Apr 2020 13:53:38 GMThttps://loadfocus.com/blog/2020/01/using-selenium-ide-record-and-playback-toolhttps://loadfocus.com/blog/2020/01/using-selenium-ide-record-and-playback-toolSelenium IDE is the fastest way to capture a journey, and the worst way to maintain one. Use it to draft a test, then export and clean up the locators.Tue, 14 Jan 2020 12:15:55 GMThttps://loadfocus.com/blog/2019/11/using-testcafe-for-end-to-end-testinghttps://loadfocus.com/blog/2019/11/using-testcafe-for-end-to-end-testingTestCafe runs without WebDriver, which removes most of the setup friction. End to end tests are expensive, so keep them to the journeys that matter.Tue, 19 Nov 2019 11:57:05 GMThttps://loadfocus.com/blog/2019/03/chrome-extension-for-google-lighthouse-as-a-servicehttps://loadfocus.com/blog/2019/03/chrome-extension-for-google-lighthouse-as-a-serviceRunning Lighthouse from an extension gives you an audit without leaving the page you are testing.Thu, 28 Mar 2019 15:01:57 GMThttps://loadfocus.com/blog/2019/02/what-is-first-meaningful-paint-fmphttps://loadfocus.com/blog/2019/02/what-is-first-meaningful-paint-fmpFMP tried to capture when the main content appeared, rather than the first pixel. Use LCP for anything current; FMP appears mainly in older reports.Wed, 06 Feb 2019 13:17:27 GMThttps://loadfocus.com/blog/2018/12/what-is-disaster-recovery-testing-in-software-testinghttps://loadfocus.com/blog/2018/12/what-is-disaster-recovery-testing-in-software-testingA recovery plan that has never been executed is an assumption, not a plan. Test the restore, not just the backup; backups fail silently at restore time.Mon, 03 Dec 2018 14:17:58 GMThttps://loadfocus.com/blog/2018/11/what-is-stress-testing-in-software-testinghttps://loadfocus.com/blog/2018/11/what-is-stress-testing-in-software-testingStress testing pushes past expected load to find the breaking point and the failure mode. How the system recovers matters as much as where it broke.Thu, 29 Nov 2018 14:28:49 GMThttps://loadfocus.com/blog/tech/2018/08/end-to-end-testing-of-asos-com-using-testcafe-in-under-30-minuteshttps://loadfocus.com/blog/tech/2018/08/end-to-end-testing-of-asos-com-using-testcafe-in-under-30-minutesTestCafe needs no WebDriver, which is why a working suite is possible in half an hour.Thu, 30 Aug 2018 10:49:42 GMThttps://loadfocus.com/blog/tech/2018/07/best-practices-for-implementing-e2e-end-to-end-ui-testshttps://loadfocus.com/blog/tech/2018/07/best-practices-for-implementing-e2e-end-to-end-ui-testsE2E tests earn their cost only on the journeys that make money; everything else belongs lower in the pyramid.Mon, 30 Jul 2018 11:04:26 GMThttps://loadfocus.com/blog/tech/2018/04/building-your-in-house-device-farm-on-mac-os-using-openstf-for-android-testinghttps://loadfocus.com/blog/tech/2018/04/building-your-in-house-device-farm-on-mac-os-using-openstf-for-android-testingOpenSTF gives you remote access to real Android devices, which emulators cannot fully replace.Tue, 24 Apr 2018 15:43:08 GMThttps://loadfocus.com/blog/2018/04/how-to-design-your-load-testing-scenarioshttps://loadfocus.com/blog/2018/04/how-to-design-your-load-testing-scenariosInclude think time. Removing it produces a load pattern no user creates. Start below expected peak and ramp, so you can see where behaviour changes.Thu, 19 Apr 2018 11:01:12 GMThttps://loadfocus.com/blog/tech/2018/03/how-to-click-on-element-with-puppeteer-and-chromehttps://loadfocus.com/blog/tech/2018/03/how-to-click-on-element-with-puppeteer-and-chromePuppeteer's click waits for the selector, but not for the element to be genuinely interactive.Fri, 09 Mar 2018 14:10:19 GMThttps://loadfocus.com/blog/tech/2018/02/mocking-apis-using-wiremock-for-testing-negative-cases-when-it-is-not-possible-to-change-the-api-behaviourhttps://loadfocus.com/blog/tech/2018/02/mocking-apis-using-wiremock-for-testing-negative-cases-when-it-is-not-possible-to-change-the-api-behaviourWireMock lets you produce failures a real API will not give you on demand: timeouts, 500s, malformed bodies.Tue, 27 Feb 2018 11:41:49 GMThttps://loadfocus.com/blog/tech/2018/02/structuring-integration-tests-using-junit-categories-by-features-api-or-type-of-testshttps://loadfocus.com/blog/tech/2018/02/structuring-integration-tests-using-junit-categories-by-features-api-or-type-of-testsCategories let one suite be sliced by speed or area, so CI can run the fast set per commit.Fri, 23 Feb 2018 11:51:59 GMThttps://loadfocus.com/blog/2018/02/what-is-a-staging-environment-in-software-developmenthttps://loadfocus.com/blog/2018/02/what-is-a-staging-environment-in-software-developmentThe closer the parity, especially in data and scale, the more useful it is. A staging environment that drifts from production gives false confidence.Thu, 22 Feb 2018 11:05:52 GMThttps://loadfocus.com/blog/2018/02/how-to-visually-compare-staging-vs-production-websites-automaticallyhttps://loadfocus.com/blog/2018/02/how-to-visually-compare-staging-vs-production-websites-automaticallyCompare the same viewport and state, or the diff is dominated by noise. Review differences rather than gating on pixel equality, which fails constantly.Tue, 13 Feb 2018 14:55:28 GMThttps://loadfocus.com/blog/2018/02/visual-ui-regression-testing-with-jest-puppeteer-and-headless-chromehttps://loadfocus.com/blog/2018/02/visual-ui-regression-testing-with-jest-puppeteer-and-headless-chromeImage comparison catches visual breakage that assertions never check for. Run in a consistent environment; a different OS produces different pixels.Tue, 06 Feb 2018 15:10:19 GMThttps://loadfocus.com/blog/tech/2017/12/how-to-click-a-link-by-text-in-selenium-webdriver-javahttps://loadfocus.com/blog/tech/2017/12/how-to-click-a-link-by-text-in-selenium-webdriver-javalinkText matches the full visible text; partialLinkText matches a substring.Tue, 19 Dec 2017 11:38:12 GMThttps://loadfocus.com/blog/2017/12/how-to-load-test-your-cryptocurrency-exchange-servicehttps://loadfocus.com/blog/2017/12/how-to-load-test-your-cryptocurrency-exchange-serviceExchanges fail at the order book and matching engine, not at the marketing pages.Sun, 17 Dec 2017 13:36:53 GMThttps://loadfocus.com/blog/tech/2017/12/how-to-take-screenshots-with-puppeteer-using-headless-chrome-browserhttps://loadfocus.com/blog/tech/2017/12/how-to-take-screenshots-with-puppeteer-using-headless-chrome-browserPuppeteer captures viewport, full-page or single-element screenshots.Thu, 07 Dec 2017 20:01:37 GMThttps://loadfocus.com/blog/2017/05/is-my-email-campaign-going-to-bring-my-website-downhttps://loadfocus.com/blog/2017/05/is-my-email-campaign-going-to-bring-my-website-downA campaign delivers its traffic in minutes, which is a spike rather than a load curve.Fri, 05 May 2017 12:14:03 GMThttps://loadfocus.com/blog/2017/04/screenshot-comparison-toolshttps://loadfocus.com/blog/2017/04/screenshot-comparison-toolsPixel comparison catches visual regressions that functional tests never assert on. Set a tolerance, or antialiasing and fonts will fail every run.Thu, 27 Apr 2017 13:54:25 GMThttps://loadfocus.com/blog/2017/04/how-to-make-a-recording-of-your-native-application-for-demo-or-debugging-purposeshttps://loadfocus.com/blog/2017/04/how-to-make-a-recording-of-your-native-application-for-demo-or-debugging-purposesA screen recording captures the exact sequence that reproduces a bug, which a description rarely does.Wed, 12 Apr 2017 10:23:42 GMThttps://loadfocus.com/blog/tech/2017/03/how-to-debug-es6-in-webstorm-with-babelhttps://loadfocus.com/blog/tech/2017/03/how-to-debug-es6-in-webstorm-with-babelDebugging transpiled code needs source maps, or breakpoints land on the wrong lines.Thu, 30 Mar 2017 09:37:05 GMThttps://loadfocus.com/blog/2017/03/debugging-the-traffic-from-a-native-iphone-applicationhttps://loadfocus.com/blog/2017/03/debugging-the-traffic-from-a-native-iphone-applicationA proxy between the device and the network is the only reliable way to see native app traffic.Mon, 20 Mar 2017 14:29:48 GMThttps://loadfocus.com/blog/2017/03/how-to-use-apache-jmeters-webdriver-sampler-to-load-test-the-ui-of-an-applicationhttps://loadfocus.com/blog/2017/03/how-to-use-apache-jmeters-webdriver-sampler-to-load-test-the-ui-of-an-applicationThe WebDriver Sampler measures real browser rendering, which HTTP samplers cannot see. Use it to measure front-end timing, not to generate volume.Fri, 10 Mar 2017 14:54:49 GMThttps://loadfocus.com/blog/tech/2017/03/how-to-use-the-dataprovider-in-testng-with-a-java-examplehttps://loadfocus.com/blog/tech/2017/03/how-to-use-the-dataprovider-in-testng-with-a-java-exampleA DataProvider feeds many input sets into one test method, which keeps cases out of the code.Fri, 03 Mar 2017 13:20:15 GMThttps://loadfocus.com/blog/2017/02/how-to-save-apache-jmeter-results-to-a-csv-file-or-xml-filehttps://loadfocus.com/blog/2017/02/how-to-save-apache-jmeter-results-to-a-csv-file-or-xml-fileTwo ways to save Apache JMeter results: the -l flag with jmeter.save.saveservice properties for CSV, or XML for the full sample detail. With examples.Tue, 28 Feb 2017 15:02:32 GMThttps://loadfocus.com/blog/2017/02/how-to-open-a-new-tab-using-selenium-webdriver-with-javahttps://loadfocus.com/blog/2017/02/how-to-open-a-new-tab-using-selenium-webdriver-with-javaOpening a tab is only half the job; you must switch the driver to the new window handle. Track handles before and after, then switch to the difference.Tue, 14 Feb 2017 14:00:51 GMThttps://loadfocus.com/blog/2016/12/how-to-send-an-android-application-to-background-and-reopen-ithttps://loadfocus.com/blog/2016/12/how-to-send-an-android-application-to-background-and-reopen-itBackgrounding and resuming is where state bugs surface, so it belongs in the test suite. Verify state after resume, not just that the app reopened.Fri, 02 Dec 2016 15:33:52 GMThttps://loadfocus.com/blog/2016/11/how-to-use-explicit-and-implicit-waits-in-selenium-webdriver-with-javahttps://loadfocus.com/blog/2016/11/how-to-use-explicit-and-implicit-waits-in-selenium-webdriver-with-javaExplicit waits target a condition; implicit waits apply a blanket timeout to every lookup.Mon, 07 Nov 2016 17:32:58 GMThttps://loadfocus.com/blog/tech/2016/10/how-to-use-the-overview-home-and-back-buttons-in-appium-for-androidhttps://loadfocus.com/blog/tech/2016/10/how-to-use-the-overview-home-and-back-buttons-in-appium-for-androidAppium reaches the Android system buttons through key events rather than element clicks.Tue, 25 Oct 2016 13:14:59 GMThttps://loadfocus.com/blog/2016/10/how-to-find-by-xpath-text-that-contains-apostrophe-single-quote-in-selenium-webdriverhttps://loadfocus.com/blog/2016/10/how-to-find-by-xpath-text-that-contains-apostrophe-single-quote-in-selenium-webdriverWrap the literal in double quotes instead, which is the simplest fix. Use concat() when the text contains both quote characters.Thu, 13 Oct 2016 13:22:13 GMThttps://loadfocus.com/blog/2016/10/find-all-the-links-on-a-webpage-with-selenium-webdriver-in-javahttps://loadfocus.com/blog/2016/10/find-all-the-links-on-a-webpage-with-selenium-webdriver-in-javafindElements with By.tagName("a") returns every anchor, including ones that are not visible.Mon, 03 Oct 2016 13:07:14 GMThttps://loadfocus.com/blog/2016/09/why-do-i-get-500-internal-server-errors-when-doing-get-or-post-requestshttps://loadfocus.com/blog/2016/09/why-do-i-get-500-internal-server-errors-when-doing-get-or-post-requestsA 500 means the server failed, so the answer is in its logs rather than the request.Fri, 30 Sep 2016 10:52:18 GMThttps://loadfocus.com/blog/2016/09/how-to-mouseover-hover-a-webelement-using-selenium-webdriverhttps://loadfocus.com/blog/2016/09/how-to-mouseover-hover-a-webelement-using-selenium-webdriverHover needs the Actions class; a plain click will not trigger CSS or JS hover states.Fri, 23 Sep 2016 09:17:49 GMThttps://loadfocus.com/blog/2016/08/how-to-improve-conversion-rate-by-increasing-rendering-speed-for-slow-websiteshttps://loadfocus.com/blog/2016/08/how-to-improve-conversion-rate-by-increasing-rendering-speed-for-slow-websitesAbove-the-fold render time matters more than total page load. Measure the change in conversion, not just the change in milliseconds.Mon, 01 Aug 2016 14:34:39 GMThttps://loadfocus.com/blog/2016/07/schedule-mobile-emulation-to-run-continuouslyhttps://loadfocus.com/blog/2016/07/schedule-mobile-emulation-to-run-continuouslyContinuous mobile emulation turns a one-off check into a trend you can act on. Alert on regression rather than reviewing every run.Wed, 27 Jul 2016 13:15:03 GMThttps://loadfocus.com/blog/2016/07/which-is-the-best-and-fastest-way-to-find-elements-using-selenium-webdriverhttps://loadfocus.com/blog/2016/07/which-is-the-best-and-fastest-way-to-find-elements-using-selenium-webdriverID is fastest and most stable; CSS is the practical default when there is no ID.Mon, 18 Jul 2016 14:39:15 GMThttps://loadfocus.com/blog/2016/07/how-to-test-your-websites-in-smartphone-tablet-mobile-emulatorshttps://loadfocus.com/blog/2016/07/how-to-test-your-websites-in-smartphone-tablet-mobile-emulatorsEmulators catch layout and viewport problems quickly and cheaply. Test the viewports in your analytics rather than a generic device list.Fri, 15 Jul 2016 11:23:35 GMThttps://loadfocus.com/blog/2016/06/how-to-add-ui-steps-in-a-automated-website-testhttps://loadfocus.com/blog/2016/06/how-to-add-ui-steps-in-a-automated-website-testUI steps let you script a real journey rather than checking a single URL.Fri, 17 Jun 2016 15:08:44 GMThttps://loadfocus.com/blog/2016/06/how-to-select-a-dropdown-in-selenium-webdriver-using-javahttps://loadfocus.com/blog/2016/06/how-to-select-a-dropdown-in-selenium-webdriver-using-javaUse the Select class for real select elements, and normal clicks for custom widgets.Mon, 13 Jun 2016 13:56:38 GMThttps://loadfocus.com/blog/tech/2016/05/how-to-use-user-defined-variables-in-apache-jmeterhttps://loadfocus.com/blog/tech/2016/05/how-to-use-user-defined-variables-in-apache-jmeterHow to add User Defined Variables in Apache JMeter, reference them with ${name}, override them from the CLI with -J, and keep environments in one place.Sat, 14 May 2016 13:49:48 GMThttps://loadfocus.com/blog/2016/05/how-to-start-apache-jmeter-in-non-graphical-non-gui-modehttps://loadfocus.com/blog/2016/05/how-to-start-apache-jmeter-in-non-graphical-non-gui-modeStart Apache JMeter from the command line with -n -t -l -e -o, why GUI mode skews results, and how to run the same JMX at scale in the cloud.Tue, 10 May 2016 11:27:34 GMThttps://loadfocus.com/blog/tech/2016/05/how-to-scroll-web-page-up-or-down-using-selenium-webdriverhttps://loadfocus.com/blog/tech/2016/05/how-to-scroll-web-page-up-or-down-using-selenium-webdriverScrolling is done through the JavaScript executor, since WebDriver has no native scroll command.Sun, 01 May 2016 19:44:08 GMThttps://loadfocus.com/blog/2016/04/5-tips-to-boost-page-speed-and-website-seohttps://loadfocus.com/blog/2016/04/5-tips-to-boost-page-speed-and-website-seoPage speed is a ranking factor, so a slow site costs you traffic before anyone reads a word.Wed, 27 Apr 2016 11:12:41 GMThttps://loadfocus.com/blog/2016/04/enable-gzip-compression-on-nginxhttps://loadfocus.com/blog/2016/04/enable-gzip-compression-on-nginxgzip on NGINX is a few lines of config and usually the cheapest bandwidth win available.Mon, 25 Apr 2016 08:54:25 GMThttps://loadfocus.com/blog/2016/04/how-to-use-apache-jmeters-xpath-extractorhttps://loadfocus.com/blog/2016/04/how-to-use-apache-jmeters-xpath-extractorThe XPath Extractor pulls values out of an XML or HTML response for use in later requests.Wed, 20 Apr 2016 10:37:44 GMThttps://loadfocus.com/blog/2016/04/how-to-use-assertions-in-apache-jmeter-testshttps://loadfocus.com/blog/2016/04/how-to-use-assertions-in-apache-jmeter-testsAssert on content as well as status, since a wrong body is still a failure. Keep assertions cheap. Heavy ones distort the timings you are measuring.Mon, 18 Apr 2016 10:38:10 GMThttps://loadfocus.com/blog/2016/04/how-to-use-apache-jmeter-to-load-test-a-web-serverhttps://loadfocus.com/blog/2016/04/how-to-use-apache-jmeter-to-load-test-a-web-serverStart with a thread group, an HTTP request and a results file: everything else is refinement. Run from a machine that is not the server under test.Wed, 13 Apr 2016 11:29:06 GMThttps://loadfocus.com/blog/2015/08/top-10-performance-testing-tips-and-trickshttps://loadfocus.com/blog/2015/08/top-10-performance-testing-tips-and-tricksDecide what you are measuring and why before configuring anything. Choose the metrics up front, or you will report whatever looks best afterwards.Thu, 20 Aug 2015 23:25:13 GMThttps://loadfocus.com/blog/tech/2015/07/how-to-find-the-xpath-of-your-selenium-webdriver-test-using-chrome-browserhttps://loadfocus.com/blog/tech/2015/07/how-to-find-the-xpath-of-your-selenium-webdriver-test-using-chrome-browserChrome DevTools can copy an XPath, but the generated one is usually position-based and brittle.Sat, 25 Jul 2015 11:57:33 GMThttps://loadfocus.com/blog/tech/2015/07/how-to-get-all-the-options-in-a-select-tag-using-selenium-webdriverhttps://loadfocus.com/blog/tech/2015/07/how-to-get-all-the-options-in-a-select-tag-using-selenium-webdriverThe Select class exposes getOptions() for real select elements. Assert on the option text or value, not the count alone, which passes on the wrong list.Tue, 21 Jul 2015 11:16:16 GMThttps://loadfocus.com/blog/tech/2015/07/using-a-csv-file-for-login-credentials-and-extracting-the-token-from-the-response-when-running-jmeter-testshttps://loadfocus.com/blog/tech/2015/07/using-a-csv-file-for-login-credentials-and-extracting-the-token-from-the-response-when-running-jmeter-testsA CSV of credentials gives each virtual user a distinct login, which is what makes auth load realistic.Fri, 17 Jul 2015 10:50:43 GMThttps://loadfocus.com/blog/tech/2015/07/how-to-measure-cpu-and-memory-while-running-a-load-testhttps://loadfocus.com/blog/tech/2015/07/how-to-measure-cpu-and-memory-while-running-a-load-testResponse times alone cannot tell you whether the server is saturated or merely waiting.Mon, 13 Jul 2015 09:09:36 GMThttps://loadfocus.com/blog/tech/2015/07/how-to-install-jmeterplugins-extras-and-jmeterplugins-extraslibshttps://loadfocus.com/blog/tech/2015/07/how-to-install-jmeterplugins-extras-and-jmeterplugins-extraslibsExtras and ExtrasLibs are a pair, and installing only one is the usual cause of missing elements.Fri, 10 Jul 2015 10:38:36 GMThttps://loadfocus.com/blog/tech/2015/06/how-to-clear-local-storage-using-selenium-webdriverhttps://loadfocus.com/blog/tech/2015/06/how-to-clear-local-storage-using-selenium-webdriverClearing cookies does not clear local storage, so state survives between tests. Execute localStorage.clear() through the driver's JavaScript executor.Tue, 30 Jun 2015 12:36:01 GMThttps://loadfocus.com/blog/2014/06/how-to-implement-agile-guidelines-and-methodologieshttps://loadfocus.com/blog/2014/06/how-to-implement-agile-guidelines-and-methodologiesAgile fails on the ceremonies people skip, not on the ones they perform badly.Tue, 10 Jun 2014 15:01:33 GMThttps://loadfocus.com/blog/2014/06/how-to-take-snapshots-of-the-browser-using-selenium-webdriverhttps://loadfocus.com/blog/2014/06/how-to-take-snapshots-of-the-browser-using-selenium-webdriverScreenshots on failure turn an unhelpful stack trace into something you can diagnose. Name files by test and timestamp or you cannot match them to runs.Wed, 04 Jun 2014 09:11:13 GMThttps://loadfocus.com/blog/2014/06/how-to-pass-traffic-through-a-proxy-with-selenium-webdriverhttps://loadfocus.com/blog/2014/06/how-to-pass-traffic-through-a-proxy-with-selenium-webdriverA proxy lets you inspect, record or modify the traffic a browser test generates. HTTPS needs the proxy certificate trusted or every request fails.Mon, 02 Jun 2014 13:37:48 GMThttps://loadfocus.com/blog/2014/02/what-is-a-http-get-requesthttps://loadfocus.com/blog/2014/02/what-is-a-http-get-requestGET retrieves a resource and should never change server state. It is cacheable and idempotent, which is why it suits reads and not actions.Wed, 26 Feb 2014 15:23:44 GMThttps://loadfocus.com/blog/2014/02/what-is-httphttps://loadfocus.com/blog/2014/02/what-is-httpMethods, status codes and headers carry the meaning, not the body alone. Understanding status codes is the fastest way to debug most web problems.Sat, 22 Feb 2014 12:18:20 GMThttps://loadfocus.com/blog/2013/11/run-jmeter-distributed-test-in-the-cloudhttps://loadfocus.com/blog/2013/11/run-jmeter-distributed-test-in-the-cloudDistributed testing exists because one machine cannot generate enough load.Wed, 13 Nov 2013 12:02:57 GMThttps://loadfocus.com/blog/2013/10/ui-and-performance-testing-for-ui-heavy-based-web-applications-solutionshttps://loadfocus.com/blog/2013/10/ui-and-performance-testing-for-ui-heavy-based-web-applications-solutionsCombine a large HTTP load with a small number of real browser sessions. Watch client-side metrics, since the server can be fast while the page is not.Sat, 05 Oct 2013 21:31:35 GMThttps://loadfocus.com/blog/2013/09/how-to-debug-mobile-html5-and-native-applicationshttps://loadfocus.com/blog/2013/09/how-to-debug-mobile-html5-and-native-applicationsHTML5 apps can be debugged with remote browser tooling; native apps need a proxy or device logs.Mon, 16 Sep 2013 09:56:32 GMThttps://loadfocus.com/blog/2013/09/how-to-write-a-good-test-planhttps://loadfocus.com/blog/2013/09/how-to-write-a-good-test-planA test plan is about scope and risk: what you will not test matters as much as what you will.Fri, 13 Sep 2013 19:51:18 GMThttps://loadfocus.com/blog/2013/09/how-to-locate-web-elements-with-selenium-webdriverhttps://loadfocus.com/blog/2013/09/how-to-locate-web-elements-with-selenium-webdriverCSS selectors are faster and more readable than XPath for most cases. If a locator needs a comment to explain it, the page needs a test hook instead.Thu, 05 Sep 2013 22:56:40 GMThttps://loadfocus.com/blog/2013/08/how-many-threads-or-concurrent-users-can-i-run-in-parallel-with-apache-jmeter-from-my-machinehttps://loadfocus.com/blog/2013/08/how-many-threads-or-concurrent-users-can-i-run-in-parallel-with-apache-jmeter-from-my-machineRealistic thread limits for one JMeter machine, what breaks first (heap, sockets, CPU), and how to go past a few hundred users with cloud runs.Sat, 17 Aug 2013 14:11:09 GMThttps://loadfocus.com/blog/2013/07/apache-jmeter-performance-test-introductionhttps://loadfocus.com/blog/2013/07/apache-jmeter-performance-test-introductionJMeter is free, Java-based, and runs on any OS, which makes it the usual starting point.Tue, 09 Jul 2013 08:50:05 GMThttps://loadfocus.com/blog/2013/07/what-is-throughput-in-performance-testinghttps://loadfocus.com/blog/2013/07/what-is-throughput-in-performance-testingA rising response time with flat throughput means you have found capacity. Report it with response time; either number alone can be made to look good.Thu, 04 Jul 2013 08:19:46 GMThttps://loadfocus.com/blog/2013/07/what-is-response-time-in-performance-testinghttps://loadfocus.com/blog/2013/07/what-is-response-time-in-performance-testingResponse time testing explained: what response time is, how to measure it, why p95 beats the average, and what a good response time is.Wed, 03 Jul 2013 08:20:25 GMT