Free tool
Find out what stops ChatGPT, Claude and Google from reading this page, and what to change.
Paste one URL. In about a minute you get a verdict, the fixes in order, and the HTML an AI crawler received from your server.
Run an audit
What you get
- 01
A verdict
One sentence on what matters most for this page, and the count of what needs fixing, checking, and what passed.
- 02
The fixes, in order, with snippets
Up to five findings ranked by how much they cost you. Each says why it matters, how to fix it, the code to paste, and the effort.
- 03
The HTML crawlers actually read
The title, description, heading outline and text an AI crawler received from your server, and which of 19 named crawlers robots.txt lets in.
What happens when you press the button
- 01
Fetch
Normally three requests, from our server, with a user agent that says who we are. robots.txt comes first, and if it disallows us for that page we stop there. Then the page itself, then /llms.txt.
- 02
Read the HTML, run no JavaScript
The initial HTML only. We run none of its JavaScript. In December 2024 Vercel and MERJ found that the OpenAI, Anthropic, Meta, ByteDance and Perplexity crawlers did not render JavaScript. Gemini and Applebot did. Anything your site paints after load was invisible to the ones that did not.
- 03
Report
A verdict, then the findings in priority order with how to fix each one, next to the evidence it was decided from. There is no score, and nothing is hidden because it passed.
The full catalogue is on the methodology page. It lists every check, what it looks at and the source behind it.
What it cannot tell you
Being straight about this is the point of publishing the method at all.
- Core Web Vitals. A single server-side fetch runs no browser, so it measures none of LCP, INP or CLS. It reports the HTML weight and how long our server waited for it. Field data comes from the Chrome UX Report and Search Console, not from us.
- Whether a fix will move a ranking. We report what is in the way. Nobody, including us, can promise what removing it does.
- Whether an answer engine cites you. The audit checks whether an engine may fetch and read the page. It does not put any question to an engine, so it cannot say what one answers.
- Anything behind a login, a paywall, a geo-block, or a rule in your robots.txt that tells our crawler to stay out. We respect all four.
Want the findings fixed?
The audit is the free part. The work is technical SEO and answer engine optimization.
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