● Ubersugest All in one site analyzer, backlink checker and keyword tool. Top Rated!

● SEO Site Checkup Checks major search engine optimization factors.

● SEOability Website crawler with reporting on errors and SEO scoring.

● Screaming Frog Crawl websites and check many different elements.

● Website Grader Checks a few important factors like seo, speed, etc.

● Revive Content Ideas A tool that tells you what website content needs to be revised.

● WooRank Another tool to use to find errors on your site and make improvements.

● Brown Seo Allows you to view your website like a search engine does.