AI crawlers can read a public page only if they can reach it and your site’s crawler rules, security systems, and server allow the request. A permissive robots.txt file alone does not prove that a bot can fetch a page—and a disallow rule is not a privacy barrier. Because no site address or test results are available here, this guide explains how to check your own site without claiming a result for freedom251.com.
What “AI crawlers” means
There is no single AI crawler. Different operators use separate agents for search, model training, or fetching a page after a user asks for it. The purpose matters: allowing one agent does not necessarily enable every AI service to use your pages in the same way.
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| Operator and token | Documented purpose or scope | Relevant control |
|---|---|---|
| Googlebot | Crawls for Google Search, including the crawling controls Google identifies for AI features in Search. | Googlebot directives and supported search-preview controls. Google’s AI features guidance. |
| Google-Extended | A standalone robots.txt token, not a separate HTTP request user agent. It controls specified use of crawled content for future Gemini model training and grounding in Gemini Apps and Vertex AI. | Google says it does not affect inclusion in Search or act as a Search ranking signal. Google’s common crawlers reference and Google’s crawler overview. |
| GPTBot | OpenAI crawler for content that may be used to train foundation models. | OpenAI’s robots.txt guidance. OpenAI bot documentation. |
| OAI-SearchBot | OpenAI agent associated with ChatGPT search. | OpenAI’s robots.txt guidance. OpenAI bot documentation. |
| ChatGPT-User | Fetches pages in response to user actions; OpenAI says it is not used for automatic web crawling. | Robots.txt rules may not apply to user-initiated visits. OpenAI bot documentation. |
| Other operators | Cloudflare’s inventory lists distinct agents, including ClaudeBot, Claude-SearchBot, Claude-User, and PerplexityBot. | Use the operator’s own documentation for the agent and purpose you care about; treat inventories as references, not universal policy. Cloudflare bot reference. |
How to check whether a crawler can read your site
- Decide what outcome you mean. Separate ordinary search visibility, AI search retrieval, model-training preferences, and user-triggered fetching. Choose the relevant crawler token rather than treating “AI bots” as one group.
- Inspect the robots.txt served for the exact site address. Check each host and protocol that matters, such as
https://example.com/robots.txtandhttps://www.example.com/robots.txt. Google says robots.txt applies only to the host, protocol, and port where it is served; a rule on one host does not automatically apply to another. Read both crawler-specific groups and the wildcard group. See Google’s robots.txt documentation. - Request a representative public page. Check the actual response, not just the robots.txt instruction. Note whether the page succeeds, redirects, returns an error, presents a challenge, or requires authentication. An Allow rule cannot override a 403 from a web application firewall (WAF), CDN, bot-mitigation service, or origin server.
- Check edge and origin logs. Look for the relevant request and its response status in your CDN, WAF, and server logs. A user-agent string can be spoofed, so verify crawler identity using the operator’s published methods where available. Google specifically cautions against relying on a claimed Google crawler identity alone. OpenAI’s troubleshooting guidance recommends checking web-protection systems for false-positive blocks: OpenAI’s publisher and developer FAQ.
- Recheck after changing settings. Crawlers revisit pages and controls on their own schedules; a change does not guarantee an immediate result. Google says some search-preview changes may take days to months to be recrawled and processed. Google’s snippet and preview guidance.
Choose the control that matches your goal
Express a crawling preference
Use the applicable robots.txt token to ask compliant crawlers not to fetch specified paths. Google-Extended, for example, is not interchangeable with Googlebot. For Google AI features in Search, Google points site owners to Googlebot directives and preview controls—not Google-Extended. Those controls include nosnippet, data-nosnippet, max-snippet, and noindex. Google’s AI features guidance.
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Require authentication for confidential or restricted material. Robots.txt is publicly accessible and is a request to crawlers that choose to follow it, not an access-control mechanism. Google warns that a disallowed URL may still be discovered and indexed without its contents being crawled. Google’s robots.txt introduction.
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Prevent supported Google Search indexing
Use a supported noindex directive and allow Googlebot to fetch the page so it can see that directive. If robots.txt blocks the URL, Googlebot cannot read the page-level instruction. A disallow rule and a noindex directive solve different problems. Google’s robots.txt introduction.
Stop requests at the edge or server
A CDN, WAF, bot-management product, authentication layer, or origin-server rule can deny or challenge requests independently of robots.txt. Cloudflare describes robots.txt compliance as voluntary and documents separate enforcement controls: Cloudflare’s robots.txt documentation. OpenAI also advises site owners to investigate web-protection settings when legitimate crawlers receive 403 responses: OpenAI’s publisher and developer FAQ.
Common checks that give a false sense of certainty
- “Robots.txt allows it, so the AI can read the page.” The file expresses a preference to compliant crawlers; the actual request can still fail at the CDN, firewall, authentication layer, or server.
- “Disallow means nobody can see this page.” It does not secure the URL, and a disallowed URL may still be discovered or indexed without a crawl.
- “Google-Extended controls Google Search AI.” Google says Google-Extended does not affect Search inclusion; Googlebot directives and preview controls govern Google Search’s handling of AI features.
- “The user-agent proves which crawler made the request.” User-agent text can be spoofed. Where identity matters, use operator-published verification methods and interpret logs accordingly.
- “I changed the rule, so access changed immediately.” A crawler must revisit or reprocess the relevant instructions; timing varies.
What a reliable site check establishes
A useful check produces evidence for a specific crawler and a specific public page: the robots.txt file served for the right host and protocol, the page’s actual HTTP outcome, and corresponding edge or origin log entries. That can show whether a tested request reached the page at that time. It does not establish what every AI service can access, what it has already stored, or how it will use content under its own policies.
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