Gtmetrix GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable... Free Web Performance Monitoring Add a feature 13 Like
PageSpeed Insights PageSpeed is addon for Firebug (debugger addon for Mozilla Firefox ) for analyzing of page loading process and suggesting to webmaster how speed up page loading. Free Open Source Mac OS X Windows Linux Firebug Chrome ... Firefox No features added Add a feature 15 Like
Yellow Lab Tools Yellow Lab Tools checks a website for both it's performance and the quality of the HTML, CSS and JavaScript code. The application is available online and as... Free Open Source Web No features added Add a feature 4 Like
DareBoost DareBoost is an online tool to test, analyze and monitor your website: speed, SEO, quality, security. All you need for website optimization in a single service. Freemium Web Performance Monitoring SEO Audit Side-by-Side comparison Add a feature 17 Like Most relevant optimizations of all this kind of solution and very user friendly UI, I love this app :) theroundangel • Jan 2017 Disagree Agree
Google Lighthouse Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. Free Open Source Mac OS X Windows Linux Code review Add a feature 3 Like
WebO (Web Optimizer) This project has been launched after the Russian web conference ClientSide2007. The goal was to gather not only theoretical information about websites speeding-up, but... Free Web No features added Add a feature 1 Like Collects your eMail address then sends you to http://airee.international/ for the actual test - and that site is even worse for all the advertising it shows. Guest • Aug 2015 • 0 agrees and 1 disagrees Disagree Agree
Calibre Performance monitoring that gives the page speed insights you need to improve customer experience. Commercial Web No features added Add a feature 1 Like I use Calibre to monitor every site I work on. It runs every day automatically. Guest • Aug 2017 Disagree Agree
Yahoo! YSlow YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with... Free Open Source Mac OS X Windows Linux Firebug Chrome ... Safari Opera Firefox No features added Add a feature 5 Like
SitePerformanceTest.com Perform and explore an in-depth website analysis. Generate a comprehensive report to evaluate performance and usability ratings complete with improvement recommendations. Free Web No features added Add a feature 2 Like
SiteSpeedTester.com Evaluate the load speed and usability for any webpage. Generate a report to determine website performance with detailed efficiency recommendations and usability... Free Web No features added Add a feature 2 Like
TestWebSpeed.com Evaluate the load speed and usability for any webpage. Generate a report to determine website performance with detailed efficiency recommendations and usability... Free Web Performance Monitoring Add a feature 2 Like
Site Relic Site Relic is a FREE toolbox where you can test your website for performance & security in seconds without user registration. Freemium Web No features added Add a feature 1 Like
KeyCDN Tools Website speed test, DNS lookup service incl EDNS client subnet, fast geolocation for IP or hostname, HTTP response headers, FREAK attack tester and more. Free Web Trace Route Add a feature 6 Like
WDT - Web Developer Tools WDT - Web Developer Tools is a suite of useful tools for web developers Task Manager Dean Edwards Javascript Compressor JSMin Css Minifier Css Type Set... Free Open Source Mac OS X Windows Linux Python WYSIWYG Support Add a feature 1 Like Discontinued Last update was on July 7th, 2011.
PageSpeedAlarm.com Be notified if your Google PageSpeed falls. Free Web No features added Add a feature 2 Like Discontinued Now redirects to https://www.orbonline.co.uk/
