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Ahrefs

SEO toolset for backlinks, keywords and site audits, now tracking AI search too

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Ahrefs is an SEO platform best known for its backlink index, alongside keyword research, rank tracking, site audits and competitor analysis. Its Brand Radar features show how often a brand appears in answers from AI assistants, and AI writing helpers assist with content. Paid plans from Lite upward include API and MCP access for pulling data into other tools, and a browser extension shows SEO data on any page.

It is used by SEO specialists, content teams and agencies that need deep link and search data. Site owners who only want to check and fix their own website can start with the free tier, but the full research tools are paid.

Ahrefs Free gives data on your own site. The cheapest paid plan, Starter, costs $29 a month; the main plans run from Lite at $129 a month to Advanced at $449 a month, with Enterprise at $1,499 a month on an annual commitment. Annual billing saves up to 17%, and the Brand Radar AI add-on starts at $199 a month.

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