Alternatives to Gtmetrix for all platforms with any license

Platforms

Desktop

Web / Online

Browsers

Other Platforms

  • PageSpeed Insights icon

    PageSpeed Insights

    PageSpeed is addon for Firebug (debugger addon for Mozilla Firefox ) for analyzing of page loading process and suggesting to webmaster how...

    Open Source Mac Windows Linux Firebug Chrome Firefox

  • Yahoo! YSlow icon

    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...

    Open Source Mac Windows Linux Firebug Chrome Safari ... Opera Firefox

  • DareBoost icon

    DareBoost

    DareBoost is an online tool to test, analyze and monitor your website: speed, SEO, quality, security. All you need for website...

    Freemium Web / Cloud

  • WebPagetest icon

    WebPagetest

    Run a free website speed test from multiple locations around the globe using real browsers (Firefox, IE, Chrome, Android and iOS) and...

    Open Source Web / Cloud

  • Yellow Lab Tools icon

    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...

    Open Source Web / Cloud

  • WDT - Web Developer Tools icon

    WDT - Web Developer Tools

    WDT - Web Developer Tools is a suite of useful tools for web developers Task Manager Dean Edwards Javascript Compressor JSMin ...

    Open Source Mac Windows Linux

  • StatusCake Tools icon

    StatusCake Tools

    StatusCake Tools allows you to check the speed and load time of your website. Simply enter the website URL and check one of the...

    Free Mac Windows Web / Cloud

  • KeyCDN Tools icon

    KeyCDN Tools

    Website speed test, DNS lookup service incl EDNS client subnet, fast geolocation for IP or hostname, HTTP response headers, FREAK...

    Free Web / Cloud

  • Calibre icon

    Calibre

    Performance monitoring that gives the page speed insights you need to improve customer experience.

    Commercial Web / Cloud

  • WebO (Web Optimizer) icon

    WebO (Web Optimizer)

    This project has been launched after the Russian web conference ClientSide2007. The goal was to gather not only theoretical...

    Free Web / Cloud

  • Web Page Test icon

    Web Page Test

    Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization...

    Free Personal Web / Cloud

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  • neXpert icon

    neXpert

    neXpert is an add-on to Fiddler Web Debugger which aids in performance testing web applications. neXpert was created to reduce the...

    Free Windows

  • Raven Tools Site Auditor icon

    Raven Tools Site Auditor

    Analyze your site to find SEO issues that keep your site from ranking on search engines.

    Freemium Web / Cloud

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