GTmetrix is described as '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' and is a Website Audit tool in the business & commerce category. There are more than 50 alternatives to GTmetrix, not only websites but also apps for a variety of platforms, including SaaS, Windows, Mac and Google Chrome apps. The best GTmetrix alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try Google Lighthouse or PageSpeed Insights. Other great sites and apps similar to GTmetrix are ahrefs, WebPageTest, Screpy and Request Metrics.
Monitor your Google PageSpeed Insights Score and receive alerts when the score falls. Track your score over time with URL history so you can see when things changed. Scan your entire site instead of just the homepage. PageSpeedPlus.
