Ahrefs strengthens its SEO dominance with the acquisition of Detailed.com and the Detailed SEO Extension. Founder Glen Allsopp joins Ahrefs full-time, bringing his expertise to enhance marketing and product strategies. Ahrefs’ SEO acquisition move expands Ahrefs’ tools for SEO professionals. This move positions Ahrefs to enhance its offerings, potentially integrating the extension’s features into its platform. SEO professionals can expect faster, more efficient tools for site audits and competitive analysis. With Allsopp’s expertise, Ahrefs aims to deliver even deeper insights, keeping it at the forefront of the SEO industry.
Ahrefs’ SEO Acquisition Details

Ahrefs, a leading SEO tool provider, acquires Detailed.com, a popular platform for in-depth SEO research, and its widely used Detailed SEO Extension. Launched in 2020, Detailed.com attracted 970,000 unique visitors in the past year. The browser extension, with over 450,000 weekly Chrome users and 7,000 Firefox users, simplifies on-page SEO audits.
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- What’s Included: The deal covers Detailed.com, the SEO Extension, and smaller related domains.
- Extension Features: Displays title tags, meta descriptions, heading structures, robots directives, schema markup, and more. It also highlights nofollow links, inspects hreflang, checks status codes, and integrates with research tools.
- User Impact: All current extension features remain free. No user action is needed. Updates continue via Chrome and Firefox stores.
- Branding: The extension retains its name, operating as “Detailed, an Ahrefs brand.”
- Future Plans: No paid tiers are planned, but premium features may be added later.
Glen Allsopp, Detailed’s founder, joins Ahrefs to drive innovation. He told Search Engine Journal, “SEO and digital marketing are evolving fast. Joining Ahrefs lets me help businesses reach their audiences using tools I’ve trusted for years.”
Ahrefs’ SEO acquisition, announced on September 11, 2025, adds a powerful content brand and a high-usage utility to Ahrefs’ portfolio. Financial terms remain undisclosed.
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