Nowadays, in the era of instant gratification, when everyone want everything in a matter of moments, understanding the performance of your website, web application, web service is more important than has ever been. Using web performance tools to understand how your application behaves is easy and a best practice that you should follow on a daily basis.

Selenium IDE is an open source record and playback tool used. Easy to use and fast in generating UI functional test cases. End to End testing is quite fast when you create tests from the Selenium IDE Chrome Extension or Firefox Add-on. Debugging tests, setting breakpoints, running an UI test to a specific test step work out of the box the new version of Selenium IDE. Test suites are available in order to group previously generated test cases, and exporting your test cases is a click of a button away.

TestCafe is a Node.js tool to automate end-to-end web testing. End to End tests cover real journeys that your customers do, they are slower to execute but can be much more valuable comparing to unit and integration tests. TestCafe is a Node.js tool to automate end-to-end web testing and functional testing. TestCafe uses a URL-rewriting proxy called Hammerhead that emulates commands using the DOM API and injects JavaScript into the browser.

KissFront uses Google Lighthouse as a Service for continuous modern performance audits. KissFront’s Chrome Extension for Google Lighthouse is live now. This will enable easier view of the modern performance metrics like Performance Score, First Meaningful Paint, First Contentful Paint, Speed Index and others.

KissFront is a web performance monitoring tool running Lighthouse continuously or on-demand (using Lighthouse as a service) to monitor your website performance and get insights on speed with modern performance metrics. Lighthouse is an open-source automated tool for analysing and improving the quality of web pages with audits for performance, accessibility, progressive web apps, SEO and best practices.

Time to First Meaningful Paint (TTFMT) is a modern performance metric introduced by few engineers from Google, and is the time to paint the main content that users are interested in, so the thing the users came here for. Rendering some background color can be much easier and faster, but that’s definitely not what the users was looking for when they entered your website.