SEO Site Checkup - Find comprehensive search engine optimization (SEO) tools for your site.
Free SEO Checker by Spotibo - An SEO checker that analyses based on Google's algorithm 👀
Mangools - Juicy SEO tools you will love: Keyword research, SERP analysis, rank tracking, backlink analysis, website SEO analysis.
SEO Analyzer By Neil Patel - A free SEO analyzer for your site
Majestic - Majestic - Link intelligence tools for SEO and Internet PR and Marketing. Site Explorer shows inbound link and site summary data.
SEO Glossary by Serpstat - An extensive list of 150+ SEO terms and helpful resources