
Ahrefs
8.4#7 in seo toolsFrom $29 a monthFree planWebAPI
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Ahrefs suits people working on SEO, including keyword and competitor research, audits, and backlink analysis. Its higher plans add project, tracked-keyword, crawl-credit, and user allowances, while Enterprise includes administration and security controls.
It suits SEO teams managing link exchanges, paid placements, or content partnerships who want to organize link details in a self-hosted tracker. It requires users to check pages and update statuses themselves.