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 five alternatives to Fake Fast Detector, not only websites but also apps for Google Chrome and Mozilla Firefox. The best Fake Fast Detector alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try PageSpeed Insights or GTmetrix. Other great sites and apps similar to Fake Fast Detector are WebPageTest and Pingdom Website Speed Test.