Enable gzip compression on NGINX

Posted by & filed under Load Testing, Page Load Time, Performance Testing, UI Testing.

2 minutes read During Speed testing of your website or web application using LoadFocus (https://loadfocus.com/website-speed-testing) on the Advice section you might get the tip that you need to enable compression like in the image below:     Compressing responses often significantly reduces the size of transmitted data. Because the compression happens at runtime this can add a big… Read more »

How To Use Apache JMeter To Load Test a Web Server

Posted by & filed under Apache JMeter, Load Testing, Performance Testing, Stress Testing.

6 minutes read Overview We are going to present how to use Apache JMeter (open source load testing tool) in order to perform basic load and stress testing on your web application. We are going through each step and show how to use JMeter’s GUI (graphical user interface) in order to build a test plan, configure load tests,… Read more »

Why Minify JavaScript?

Posted by & filed under Load Testing, Performance Testing.

1 minute read In this post we are going to present why minifying javascript files is important. People believe that compressing (gzipping) JavaScript files should be enough and there is no need to minify JavaScript files. This is a common mistake and below we present an explanation of what is involved in the process of minifying a file… Read more »

Standard Deviation and Percentiles in Load Testing Metrics

Posted by & filed under Load Testing, Performance Testing.

1 minute read Standard deviation and percentiles are very helpful when comes to calculating the response times in a load test or a performance test. Standard deviation is just like it sounds: the routine deviation around the average. Standard Deviation can then be used as a gauge of longer response times. For normal distributions, we know that roughly… Read more »