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Ahrefs Free vs SE Ranking Free SEO Tools: catalog facts
Ahrefs Free	SE Ranking Free SEO Tools
Freemium Free for verified websites; paid Ahrefs plans add more tools and data.	Freemium Free tools with daily check limits; the full platform is a paid subscription.
Web, Browser extension	Web
Technical site audit at no cost Backlink and keyword ranking data from Ahrefs' index	Many checkers gathered on one page No account needed for the free daily checks
Requires an account and site ownership verification Full data for other people's sites needs a paid plan	Daily limits on free checks Pages push towards the paid platform
Web application, Browser extension	Web application
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.