Free SEO tools

Analyse backlinks, referring domains, anchors and Domain Rating for any website — no sign-up needed. The same data is available via the API.

Backlink analysis

Find links to any website: source page, anchor, donor DR, dofollow or nofollow and the date the link was found.

Unique domains linking to a site, with link counts, dofollow share, donor DR and first/last seen dates.

The anchor text distribution of links to a site: count, share and dofollow percentage for each anchor.

Which pages of a site get the most backlinks and dofollow links — and which topics attract links best.

Instantly see a website's 0–100 Domain Rating, its backlinks and referring domains, and the dofollow share.

Check Domain Rating, backlinks and referring domains for a list of domains at once — for prospect vetting, outreach and audits.

Compare up to 20 sites side by side: Domain Rating, backlinks, referring domains and dofollow — see who is stronger in the niche.

Find sites that link to several of your competitors at once — the most likely link sources for you too.

The most authoritative domains on the web by referring domains, PageRank and centrality in the link graph.

Find links with a given anchor text across the whole index — who links to whom for a key phrase.

Need more rows, automation or thousands of domains? Every tool is an endpoint of our API. API documentation