Avoid API Rate Limiting: 10 Common Causes
The 10 most common causes of API rate limiting and 429 errors in load tests, with the headers to read, how to back off and how to pace a test.
Website and API Monitoring
Website and API monitoring guides cover keeping a site fast and its endpoints answering. You'll find how page speed affects SEO rankings and conversion rate, what PageSpeed Insights and Core Web Vitals report, how to monitor APIs and OAuth endpoints and avoid common mocking mistakes in API tests, and how to set up domain expiration monitoring before a renewal slips.
29 articles
Boosting API Throughput for Financial Platforms
Raise API throughput by finding what caps it: Little's Law, connection pools, queueing and rate limits, with worked arithmetic and how to read a load test.
10 Common API Performance Issues and How to Detect Them
10 common API performance issues, from slow queries, pool exhaustion and 500s to 429 rate limits, big payloads and cache misses, and how to detect each one.
Scripted vs Codeless API Load Testing: Which Approach Fits Your QA Team in 2026?
Compare scripted and codeless API load testing tools in 2026. Discover strengths, limitations, and decision criteria to optimize your API's performance.
Synthetic Monitoring vs. Real User Monitoring: The Definitive 2026 Comparison for Website Performance
Synthetic monitoring against real user monitoring: what each one sees, where they disagree, and how to decide which belongs in your stack.
10 Best API Monitoring Tools in 2026 (Free and Paid)
A 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.
Cloud-Based vs On-Premise Website Monitoring: Which Approach Wins in 2026?
Cloud vs on-premise website monitoring: what each can see, where private networks and data rules matter, and when running both is the sensible answer.
Guide to Performance Testing APIs with OAuth2 Authentication (2026 Edition)
OAuth2 makes load testing harder because tokens expire mid-test and refresh adds its own latency.
How to Monitor Your MCP Server (Step-by-Step Guide)
Monitor an MCP server over Streamable HTTP: send a real JSON-RPC tools/list check, assert status, body and latency, and alert on auth and version errors.
Top 6 API Performance Testing Challenges (and How to Solve Them Effectively in 2026)
The six problems that most often undermine API performance tests (dependencies, test data, auth, load model, metrics, CI) and a concrete fix for each.
Cloud Testing Security: Best Practices for Protecting Test Data in 2026
Cloud testing security in practice: keep real data out of test environments, lock down access and secrets, and allow load generators safely.
How to Reduce API Latency With Distributed Load Testing
Test your API from several regions, read p95 and p99 per region, split each request into DNS, connect, TLS and wait, then fix the largest phase and retest.
How to Cut API Response Times With Targeted Load Testing
Cut API response times: find the slowest endpoint, split its time by dependency, parallelize or cache the critical path, then retest the percentiles.
10 Ways to Optimize API Performance Testing for Faster, More Reliable Results (2026 Guide)
Ten ways to get faster, more reliable API performance test results: p95 targets, load in requests per second, varied test data and CI gates, with a k6 example.
Mastering Software Performance Engineering in 2026: A Complete Guide for Business Owners and DevOps Teams
Software performance engineering builds speed in from design to production. What it is, how it differs from performance testing, and how to start, step by step.
Application Performance Monitoring Tools: 2026 Guide
Compare application performance monitoring tools: what APM shows, how Datadog, New Relic, open source options charge, and where synthetic checks fit.
10 Critical REST API Interview Questions for 2026 – Answered
Be 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.
10 Essential Monitoring Best Practices for DevOps & Developers
Monitor what users experience first, then the infrastructure underneath it.
How to Monitor and Check the Performance of an API Deployed on Azure
Monitor an API on Azure with Application Insights, Azure Monitor alerts, Standard availability tests and API Management analytics, plus a check from outside.
How to Set Up Domain Expiration Monitoring: A Step-by-Step Tutorial
Domain expiry takes sites down completely and is entirely preventable. Alert weeks ahead, not days, since transfers and payment issues take time.
How to Optimize Interaction to Next Paint for Better SEO
INP replaced FID and measures responsiveness across the whole visit, not just the first input.
Top 10 Tools for Monitoring OAuth Client Credentials Endpoints
Monitor token acquisition end to end, not just that the host responds. Alert on latency as well as errors, since slow tokens time out downstream.
Transform Your Business with API Monitoring
API monitoring catches failures between your services and the customers depending on them.
Avoid These Common Mocking Mistakes in API Testing
A mock that never fails teaches you nothing. Model timeouts and errors, not just the happy path.
Google’s Best-Kept Secret: How Page Speed Insights Can Skyrocket Your Rankings!
PageSpeed Insights reports both lab and field data, and only the field data affects ranking.
Improve your Website’s SEO for Better Search ranking
Content that answers a real query outranks technically perfect pages about nothing. Site speed and crawlability are prerequisites rather than tactics.
Too many Cloud Testing Tools are Distracting and Addictive. Here’s How to Fix It.
Tool sprawl fragments results so no single view is trustworthy. Consolidate on what integrates with your pipeline rather than what demos best.
Speeding Up Selenium WebDriver Tests with Efficient Locators
Which Selenium locator is fastest? A measured test of By.id, name, CSS and XPath in Selenium 4: XPath costs a few ms more, and stability matters more.
How to Measure CPU and Memory while Running a Load Test
Response times alone cannot tell you whether the server is saturated or merely waiting.
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