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.


Fake Fast Detector is described as 'One-click probe that spots edge-cache misses, slow TTFB, cookie-busted HTML, heavy DOM/scripts, LCP laziness, and more—plus JSON export' and is a Website Audit tool in the business & commerce category. There are four alternatives to Fake Fast Detector, not only websites but also apps for Google Chrome and Mozilla Firefox. The best Fake Fast Detector alternative is GTmetrix, which is free. Other great sites and apps similar to Fake Fast Detector are WebPageTest, PageSpeed Insights and Pingdom Website Speed Test.
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.


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

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.

Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
