Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
Free SEO Checker by Spotibo - An SEO checker that analyses based on Google's algorithm 👀
SEO checker PR-CY - Check all your website’s SEO metrics through our service
SEO Analyzer By Neil Patel - A free SEO analyzer for your site
Instant Preview Extension - Adds instant preview to search engine results page
Curatedseotools.com - Curated directory of the best SEO tools.