WebPageTest is described as 'Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations' and is an website in the development category. There are more than 25 alternatives to WebPageTest, not only websites but also apps for a variety of platforms, including SaaS, Mozilla Firefox, Google Chrome and Mac apps. The best WebPageTest alternative is Web Check, which is both free and Open Source. Other great sites and apps similar to WebPageTest are Google Lighthouse, GTmetrix, PageSpeed Insights and Request Metrics.
Unified Web Performance that automatically tests your pages and tracks real user experiences. Automatically discovers your busiest pages and scans them weekly, providing actionable recommendations. Integrated Real User Monitoring to track the actual experience of visitors to...
Get an insight into the inner-workings of a given website: uncover potential attack vectors, analyse server architecture, view security configurations, and learn what technologies a site is using.
Web Check is the most popular Web-based & Self-Hosted alternative to WebPageTest.
Web Check is the most popular Open Source & free alternative to WebPageTest.
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. It has audits for performance, accessibility, progressive web apps, SEO and more.
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 recommendations on how to fix them.
PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.
Unified Web Performance that automatically tests your pages and tracks real user experiences. Automatically discovers your busiest pages and scans them weekly, providing actionable recommendations. Integrated Real User Monitoring to track the actual experience of visitors to...
Request Metrics is the most popular SaaS alternative to WebPageTest.
Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
Get the web's modern capabilities on your own sites and apps with useful guidance and analysis from web.dev.
Guardius is a Software as a Service (SaaS) company designed to streamline and automate various IT needs for companies that operate their own websites or manage their own infrastructure. It is crucial for companies to safeguard their websites and infrastructure against potential...
Domsignal is an all-in-one platform dedicated to empowering developers, SEO experts, sysadmins, and security researchers in their quest for website excellence. We provide a comprehensive suite of tools to help you analyze and optimize your website's performance, security...
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 the Firebug web development tool.
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