--- title: "ChatGPT Crawler Simulator - Test GPTBot & ChatGPT-User | Free Tool" description: "Simulate how ChatGPT and OpenAI's GPTBot crawl your website. Test your site against ChatGPT-User user-agent and optimize for AI search citations." lang: en json-ld: --- [![Encited logo](/brand/logo.svg)](/) - Features - Resources [Pricing](/pricing)Login[Contact Sales](/contact-sales)Get started free Get started free [All Crawler Simulators](/free-tools/crawler-simulator) ![ChatGPT Fetch](/crawler-logos/chatgpt.svg) CRAWLER SIMULATOR # ChatGPT Crawler Simulator Test how OpenAI's ChatGPT and GPTBot see your website. Ensure your content is accessible for AI-powered answers and citations. SIMULATE ## Test your site with ChatGPT Fetch Enter your URL to see how ChatGPT Fetch views your site. ![openai](/crawler-logos/chatgpt.svg)ChatGPT-User Simulate ChatGPT-User OVERVIEW ## What is ChatGPT Fetch? ChatGPT uses several crawlers to access web content: GPTBot for training data collection, ChatGPT-User for real-time web browsing in ChatGPT Plus, and OAI-SearchBot for SearchGPT. When users ask ChatGPT questions, it may fetch your website content to provide accurate, up-to-date answers. If your site blocks these crawlers or serves JavaScript-only content, ChatGPT won't be able to cite your website in its responses. WHY ALLOW IT ## Why allow ChatGPT Fetch? Get cited in ChatGPT answers when users ask relevant questions Appear in SearchGPT results (OpenAI's search engine) Enable ChatGPT Plus users to browse and summarize your content Contribute to OpenAI's training data (if desired) Improve visibility in AI-powered search experiences ROBOTS.TXT ## ChatGPT Fetch robots.txt configuration Control how ChatGPT Fetch accesses your website using robots.txt directives. Add these rules to your robots.txt file at the root of your domain. ### Allow ChatGPT Fetch \# Allow ChatGPT and OpenAI crawlers User-agent: GPTBot Allow: / User-agent: ChatGPT-User Allow: / User-agent: OAI-SearchBot Allow: / ### Block ChatGPT Fetch \# Block ChatGPT and OpenAI crawlers User-agent: GPTBot Disallow: / User-agent: ChatGPT-User Disallow: / User-agent: OAI-SearchBot Disallow: / **User-Agent String:** `Mozilla/5.0 (compatible; ChatGPT-User/1.0; +https://openai.com/)` ## ChatGPT Fetch FAQ ### What is GPTBot and how does it differ from ChatGPT-User? ### How do I get my website cited by ChatGPT? ### Should I block or allow GPTBot? ### Why can't ChatGPT see my JavaScript website content? ### How often does ChatGPT crawl websites? ## Related Crawler Simulators [ ![Anthropic](/crawler-logos/claude.svg) Anthropic Simulator ](/free-tools/crawler-simulator/claudebot-simulator)[ ![PerplexityBot](/crawler-logos/perplexity.png) PerplexityBot Simulator ](/free-tools/crawler-simulator/perplexitybot-simulator)[ ![Googlebot](/crawler-logos/google-search.svg) Googlebot Simulator ](/free-tools/crawler-simulator/googlebot-simulator)[ ![Grok](/crawler-logos/xai.svg) Grok Simulator ](/free-tools/crawler-simulator/grok-crawler-simulator) ## More Free SEO Tools Continue auditing your site with these companion tools. [ SEO & AEO Audit Full technical SEO and AI visibility audit ](/free-tools/seo-audit)[ Robots.txt Analyzer Check which crawlers are allowed or blocked ](/free-tools/robots-txt-analyzer)[ OG Image Previewer Preview social media link cards ](/free-tools/og-image-previewer)[ Meta Tag Audit Audit meta tags and generate a fix prompt ](/free-tools/meta-tag-audit)[ AI Crawl Checker See which AI engines can crawl, reach, and read your site ](/free-tools/ai-crawl-checker) ## Related Guides Dive deeper with these step-by-step guides and tutorials. [Get Indexed by ChatGPT, Perplexity & AI Search ](/blog/how-to-get-pages-indexed-by-openai-chatgpt)[Is Lovable SEO Friendly? A Practical Guide ](/blog/is-lovable-seo-friendly)[What Is Pre-rendering for SPAs? ](/docs/guides/what-is-prerendering-for-spas)[DIY Lovable SEO Tips (No Code Required) ](/blog/diy-lovable-seo-tips) GET STARTED ## Make your site crawlable JavaScript sites often have indexing issues. Encited pre-renders your SPA into crawler-friendly HTML so ChatGPT Fetch and other bots can read your content. Make your pages crawlable[All crawlers](/free-tools/crawler-simulator) ![Encited logo](/brand/logo.svg) Follow us: [](https://www.facebook.com/lovablehtml/)[](https://linkedin.com/company/lovablehtml) [LaunchFast.shop](https://launchfast.shop) product ❤︎ ### Product - [Track Brand Visibility](/ai-visibility-tracker) - [Create Content](/create-content) - [Get Indexed Faster](/get-indexed-faster) - [Site Audit](/site-audit) - [Pre-rendering](/prerender) - [Encited MCP](/seo-mcp) ### Free SEO Tools - [Free SEO & AEO Audit](/free-tools/seo-audit) - [Crawler Simulator](/free-tools/crawler-simulator) - [Robots.txt Analyzer](/free-tools/robots-txt-analyzer) - [OG Image Previewer](/free-tools/og-image-previewer) - [Meta Tag Audit](/free-tools/meta-tag-audit) ### Resources - [Blog](/blog) - [Guides and API docs](/docs) - [Prerender.io Alternative](/prerender-io-alternative) ### Company - [Affiliate Program 30% ](/become-partner) - [About](/about) - [Media Kit](/media-kit) - [Contact](mailto:team@encited.com) ### Legal - [Privacy Policy](/privacy) - [Terms of Service](/terms) ![Avatar](https://replymaven.com/api/uploads/Su6Q0nK63iZW0ZFJBRNWpmRuppVDLuab/98df5262-f992-45fa-a750-00a6c919baf9.png) How can we help? 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