Detailed SEO Extension: on-page SEO data one click away
A browser extension used by 600,000 SEOs that surfaces titles, meta descriptions, robots directives, headings, schema and canonicals, maintained through to its acquisition by Ahrefs.
The product problem
SEOs check the same on-page signals all day: title, meta description, robots directives, headings, schema and canonical. In a browser those signals sit in view-source or in response headers, which is slow to read across many pages and easy to misread. The extension, built with Detailed in Newcastle, pulls them together and puts them one click away on whatever page is open, so an audit starts from the page itself.
The delivered scope
The extension is built with Vue and JavaScript on the Chrome Extension API, with separate Chrome and Firefox manifests. A content script reads the page, including canonicals, hreflang, headings, schema, links and images, while a background script captures X-Robots-Tag headers. The popup presents the results and exports image and link data. A Google search script can extract People Also Ask questions to a CSV file. It is now published by Ahrefs, who acquired it.
Maintenance at scale is about not breaking things
At 600,000 installs, the extension runs on every site its users visit. Real pages contain malformed markup, missing tags, duplicate canonicals and unusual headers, so a parsing edge case becomes a support incident at scale. Maintenance is mostly about not breaking anything. For a similar extension, parsing should be defensive by default, permissions kept narrow, and each release checked against awkward real-world pages before it ships.
What shipped
A widely used SEO browser extension that surfaces on-page signals in one click, now published by Ahrefs.
Visit the project ↗Industry scopes for a new US project
Simi Valley, California · Multilingual SEO browser inspection tools
For Simi Valley ecommerce teams building browser tools that compare observed page metadata and language-alternate destinations with an approved page map.
Simi Valley, California · Multilingual SEO browser inspection tools: scope and discovery questions →Frederick, Maryland · Agency SEO inspection tools
For Frederick agencies building browser inspection tools that preserve selected-page evidence and distinguish sample coverage from site-wide conclusions.
Frederick, Maryland · Agency SEO inspection tools: scope and discovery questions →Cheyenne, Wyoming · SEO browser inspection products
For Cheyenne SEO-tool teams presenting page markup and captured response-header evidence as distinguishable inspection sources.
Cheyenne, Wyoming · SEO browser inspection products: scope and discovery questions →Wichita, Kansas · SEO browser inspection and exports
For Wichita SEO and agency-tool teams connecting browser inspection to useful link and image exports for the next review task.
Wichita, Kansas · SEO browser inspection and exports: scope and discovery questions →Denver, Colorado · SEO and marketing-technology tools
For Denver SEO and marketing-technology teams building browser tools that inspect page signals and export useful audit data.
Denver, Colorado · SEO and marketing-technology tools: scope and discovery questions →
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