13 Like Gtmetrix Good alternative? YES NO 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
14 Like PageSpeed Insights Good alternative? YES NO 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 Windows Linux Firebug Chrome Firefox No features added Add a feature
5 Like WebPagetest Good alternative? YES NO Run a free website speed test from multiple locations around the globe using real browsers (Firefox, IE, Chrome, Android and iOS) and at real consumer connection speeds.... Free Open Source Web No features added Add a feature
4 Like Yellow Lab Tools Good alternative? YES NO 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
2 Like Google Lighthouse Good alternative? YES NO 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 Windows Linux Code review Add a feature
16 Like DareBoost Good alternative? YES NO 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 SEO Audit Side-by-Side comparison Add a feature
1 Like Site Relic Good alternative? YES NO 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
6 Like KeyCDN Tools Good alternative? YES NO 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
2 Like StatusCake Tools Good alternative? YES NO StatusCake Tools allows you to check the speed and load time of your website. Simply enter the website URL and check one of the locations from around the world you want... Free Mac Windows Web No features added Add a feature
1 Like Calibre Good alternative? YES NO Performance monitoring that gives the page speed insights you need to improve customer experience. Commercial Web No features added Add a feature
0 Like neXpert Good alternative? YES NO neXpert is an add-on to Fiddler Web Debugger which aids in performance testing web applications. neXpert was created to reduce the time it takes to look for performance... Free Windows No features added Add a feature
2 Like PageSpeedAlarm.com Alternative? YES NO Be notified if your Google PageSpeed falls. Free Web No features added Add a feature Discontinued Now redirects to https://www.orbonline.co.uk/
