Ahrefs Webmaster Tools - Optimise your website and get more traffic from Google.
Free SEO Checker by Spotibo - An SEO checker that analyses based on Google's algorithm 👀
Dareboost: Website Speed Comparison - Check how fast your website is against your competitors
SEO Analyzer By Neil Patel - A free SEO analyzer for your site
Treo Site Speed - Find out how fast your website is for real users
Curatedseotools.com - Curated directory of the best SEO tools.