Ahrefs
ahrefs.comSEO
The backlink and keyword data most SEOs trust first — expensive, but the crawl index is hard to beat.
Other products from SEO
Free and non-negotiable — it's the only place you see how Google actually sees, indexes, and ranks your site.
An all-in-one competitor research and keyword suite — great for spying on what's actually working for rivals.
The desktop crawler for finding broken links, redirect chains, and metadata mess a dashboard tool would miss.
Scores your draft against what's actually ranking so you stop guessing at keyword density and headings.