Free SEO tools

Four checks for any site. No account needed.

AI crawler audit Which AI crawlers your robots.txt and server let in, agent by agent.
Backlink checker Backlinks, referring domains, and spam score for any site, yours or a competitor's.
Page speed test Lighthouse scores and Core Web Vitals for a page, mobile and desktop.
Blog post structure checker A post's intro, headings, and section length against 4,401 company posts.