GEO
Is your site blocking ChatGPT without you knowing?
Two lines in a file most people never open can keep your business out of every answer ChatGPT gives. Here is how to check, and what to do about it.
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What AI search engines actually read on your site
ChatGPT and Perplexity do not browse your site the way a person does. Here is what they fetch, what they skip, and why a beautiful page can be invisible to all of them.
Por AIVEYO1 minuto de lectura
A marketing site is built for a human with a browser. An AI search engine arrives with none of that patience: it makes a request, takes what comes back, and moves on. That gap is where AI visibility is won or lost.
The raw HTML, not the rendered page
Most crawlers do not execute JavaScript. They read what your server returns. If your copy is injected after hydration, the crawler sees an empty shell. You can check this yourself, and it takes one command. See our methodology for the full checklist.
check-your-html.shShell
curl -sL https://yoursite.com | grep -i "<h1"
# Nothing back? Then your headline is not in the model's input either.Know your crawlers
| Engine | User agent | Purpose |
|---|---|---|
| ChatGPT search | OAI-SearchBot | Citations in answers |
| OpenAI training | GPTBot | Model training |
| Perplexity | PerplexityBot | Citations in answers |
| Anthropic | ClaudeBot | Citations in answers |
Blocking GPTBot to stay out of training data is reasonable. Blocking OAI-SearchBot at the same time, which many sites do by accident, removes you from ChatGPT results entirely. Two decisions, two lines.
If the extractable answer is buried, a competitor who stated it plainly gets cited instead.
Where to start
- Confirm reachability. It is binary and it invalidates everything else.
- Fix extractability on your ten highest-intent pages.
- Then measure per engine, so you can tell whether it worked.
Inline code looks like robots.txt and struck text looks like keyword density.