OctoCheck: GEO & AI Search AuditVerified tool

OctoCheck is a browser extension that sits beside any page you open and runs a GEO (generative engine optimization) audit. One click runs 100+ checks and shows whether AI answer engines like ChatGPT, Claude, Perplexity, Google AI Overviews, and other AI engines can reach the page, read it, trust it, and quote it.

What it does

Audits any page you can open in your browser: your own site, a staging build, a draft or a competitor's page.

• Grades the page and sorts findings by impact. A page that blocks AI crawlers cannot score well on nice formatting.

• Names what broke and where, in plain words, and says what to change.

• Links each finding to a plain-language guide when you want the why.

Key features

• Eight areas in one pass: AI crawler access, indexability, HTML structure, structured data, content format, authority and trust, rendering and performance, and new AI standards like llms.txt.

• Two views of every page: what your visitors see and what AI crawlers actually receive, so content hidden behind JavaScript does not go missing unnoticed.

• Reads the files around the page too: robots.txt, sitemap.xml, llms.txt and HTTP headers.

• Free, with no signup and no scan limits. The free audit runs in your browser and sends nothing about the page anywhere.

• Pro adds deeper AI-powered checks: language models read your copy, vision models look inside your images, and remote checks fetch the page the way AI crawlers do. Pro reports can be shared as a link, downloaded or handed to your AI assistant.

What makes it different

OctoCheck answers one question for the page in front of you: when an AI engine reaches it, what does it actually get, and what should you fix first?