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Finally, an SEO extension built for full-time SEOs
Detailed reports 450,000+ weekly users on the product page and describes the extension as 100% free: https://detailed.com/extension/
A free browser extension for Chrome and Firefox that surfaces page-level SEO information without requiring users to inspect source code, including headings, schema markup, hreflang, links, images, sitemap access, robots directives, and HTTP information. It also provides right-click links to external SEO services, PAA extraction, user-agent switching, text-duplicate discovery, and CSV exports.
Good fit for Full-time SEOs, consultants, content teams, and site owners who need fast, page-level technical and on-page checks in the browser
Free forever; no paid tiers or upsells are publicly listed on the official product page.
Free
$0
Free forever
Chrome and Firefox extension, page-level SEO insights, headings, structured data, hreflang, links, images, PAA extraction, user-agent switching, exports, and other listed browser features.
No limits or quotas are stated on the product page.
Last verified September 2026 against detailed.com/extension. Vendors change packaging often; confirm before buying.
Scorecard
1.5/5 overall, weighted for Content optimization tools. How grades work.
Useful inspection of the current page and linked resources, with no keyword, competitor, backlink, or market database.
The extension surfaces on-page tags, links, schema, social tags, images, and hreflang for the page open in the browser. https://detailed.com/extension/
Only indirect, lightweight keyword/SERP assistance.
The page lists one-click People Also Asked extraction and site:domain searches, but does not claim keyword volumes, difficulty, suggestions, or keyword clustering: https://detailed.com/extension/
Grounded in the inspected page's SEO markup, not business, competitor, app, or custom API context.
The extension reads the active page's on-page, link, schema, social, image, and hreflang data. https://detailed.com/extension/
Competitor context
No competitor-comparison or competitive intelligence dataset is described.
Helps inspect content structure but does not create or optimize content.
Heading-tag inspection, highlighted-text duplicate discovery, and nofollow highlighting support review; no writing, briefing, or optimization execution is listed: https://detailed.com/extension/
No AI-search or generative-engine optimization capability is stated.
The official feature list contains no AI-overview, generative-engine, prompt, citation, or AI-visibility feature: https://detailed.com/extension/
Its core feature set is direct technical and on-page inspection.
The page specifically lists X-Robots HTTP-header checks, schema markup, hreflang and status codes, sitemap links, link rel data, nofollow highlighting, headings, and image/link exports: https://detailed.com/extension/
Does not publish or manage content.
The page describes inspection and export features only; it lists no CMS publishing, scheduling, or editorial workflow: https://detailed.com/extension/
No rank, traffic, conversion, or ongoing measurement tracking is listed.
The official page presents a click-based page-inspection extension and does not list rank tracking, analytics, dashboards, or historical monitoring: https://detailed.com/extension/
Has a few automation-adjacent browser controls but no agent framework.
User-agent switching and CSV exports are listed, but no autonomous agent, tool-calling, API, or programmatic workflow is described: https://detailed.com/extension/
Agentic workflow coverage
No multi-step agentic SEO workflow is described.
Very accessible because the product is free and browser-based.
The page says 100% free, free forever, no upsells, and provides direct Chrome and Firefox installation links: https://detailed.com/extension/
The complete extension is positioned as a free tool.
The official page makes a substantial current user claim, though it is not a customer-account count.
The page says 'Join 450,000 users' and later 'Join 450,000+ weekly users': https://detailed.com/extension/
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Internal company data
No connection to internal company data is described.
SEO data grounding
Grounds inspection in observable page HTML, markup, headers, links, images, and SERP content.
Third-party app grounding
Offers outbound right-click links into Ahrefs, Moz, Majestic, Archive.org, SimilarWeb, and SEMrush, but no synced grounding.
Custom API grounding
No custom API or API-based data grounding is listed.
No generative-engine optimization capability is documented.
The extension inspects conventional on-page, link, schema, social, and hreflang data; those features do not measure or optimize AI-answer visibility. https://detailed.com/extension/
No collaboration or workspace controls are stated.
There is no mention of seats, shared projects, comments, approvals, or team workspaces in the product feature list: https://detailed.com/extension/
Autonomous execution
Some extraction and display actions are automated after user activation, but there is no unattended execution.
Human control and review
The user initiates tabs, right-click actions, advanced options, and exports, keeping review in human hands.
Integration surface
Chrome/Firefox installation, external-service links, and CSV exports provide a small practical surface, without APIs or native app integrations.
Memory and persistent context
No saved project memory, persistent site context, or cross-session context is described.
Evaluation and feedback loop
No evaluation, feedback, experiment, or learning loop is described.
One-click browser actions reduce manual inspection, but the user operates each check.
The page emphasizes insights in a click, right-click actions, one-click PAA extraction, and exports; it does not describe unattended or scheduled execution: https://detailed.com/extension/
The product page repeatedly states 100% free and free forever and lists its available features on that basis: https://detailed.com/extension/