Smaller - Make your websites load faster
GTmetrix - GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Website Grader - Grade your website's strengths and weaknesses in seconds.
PageSpeed Insights - PageSpeed is addon for ...
Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
WebPagetest - Run a free website speed test from multiple locations around the globe using real browsers...