The SEO Agent — Article Audit

One-click SEO audit for any article. Outline, schema, links, alt text, AI-writing tells. Local only, no signup.

Audit any article in one click. Click the icon while you're reading any article on the web. The popup shows what's working and what's broken, without sending the page anywhere or asking you to sign in. WHAT IT AUDITS - Score (0-100) with a one-line summary of what's dragging it down - Outline. Full H1 / H2 / H3 / H4 hierarchy of the article body - Word count, reading time, paragraph count - Title length, meta description length, canonical, OG image, noindex flag - Image alt-text coverage (and detection of placeholder alts like "image1") - Internal vs external link count within the article body - Structured data. Every JSON-LD @type on the page - AI-writing tells. Em-dash density and frequency of "delve", "tapestry", "moreover", "realm", and 20 other common LLM phrases, per 1,000 words WHAT IT DOES NOT DO - No signup. No login. No accounts. - No API call. Every check runs locally in your browser. - No telemetry. We never see what page you're on. - No background script. Only runs when you click the icon. WHO IT'S FOR - Content marketers checking their drafts before publishing - SEOs analyzing the top 10 results before writing - Writers who want a sanity check on their own articles - Anyone curious whether an article they are reading is AI-written PERMISSIONS - activeTab: to read the current tab's DOM when you click the icon - scripting: to inject the audit function into that tab That's it. No host permissions for all URLs. The extension cannot read any page unless you click the icon on it. ABOUT THE SEO AGENT We publish SEO articles end-to-end for founders and content teams: real keyword data, fact-checked drafts, native CMS publishing. This extension is the same QA tool we use in-house. theseoagent.ai