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Are AI Crawlers Allowed On Your Site?

Check in one click whether GPTBot, ClaudeBot, Google-Extended and other AI crawlers can read your pages — or whether your robots.txt is quietly blocking them.

We read your public /robots.txt file. Nothing is stored.

What is an AI crawler?

AI crawlers are bots run by companies like OpenAI, Anthropic and Google to read public web pages and feed their AI models and answer engines. If they can read your site, your brand can show up in ChatGPT, Claude, Perplexity and AI Overviews.

Your robots.txt file — a plain text file at the root of your domain — tells these bots what they may and may not access. A single Disallow line can quietly remove you from AI answers.

How it works

1

Enter your domain

Type your website address. We fetch your public /robots.txt file.

2

We parse the rules

We match each major AI crawler against your User-agent and Disallow rules.

3

See who is blocked

Get a clear allowed / blocked status for every AI crawler in seconds.

Frequently asked questions

What is GPTBot?
GPTBot is OpenAI’s web crawler. It reads public pages to help train and ground its models. Blocking GPTBot in robots.txt stops OpenAI from using your content.
Should I allow AI crawlers?
For most brands, yes. Allowing AI crawlers lets your content appear in ChatGPT, Claude and Perplexity answers — a fast-growing source of discovery and traffic.
Does blocking robots.txt remove me from ChatGPT?
Blocking ChatGPT-User and GPTBot stops new crawling and live retrieval, which reduces how often you are cited. It does not erase content already learned, but it limits future visibility.
What is Google-Extended?
Google-Extended is a robots.txt token that controls whether Google can use your content for Gemini and AI features, separately from normal Google Search indexing.
How is this different from Rankfender?
This tool checks access. Rankfender goes further — measuring whether AI engines actually mention your brand and showing how to win those citations.

Allowed isn’t the same as mentioned

Access is step one. See whether AI engines actually recommend your brand — and how to make them.

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