--- title: "Diffbot Crawler Simulator - Test Diffbot Spider | Free Tool" description: "Simulate how Diffbot's crawler extracts data from your website. Test structured data extraction and web scraping visibility." 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) ![Diffbot](/crawler-logos/diffbot.png) CRAWLER SIMULATOR # Diffbot Crawler Simulator Test how Diffbot's web scraping crawler sees your website. Understand structured data extraction. SIMULATE ## Test your site with Diffbot Enter your URL to see how Diffbot views your site. ![diffbot](/crawler-logos/diffbot.png)Diffbot (default) Simulate Diffbot (default) OVERVIEW ## What is Diffbot? Diffbot is a web scraping and data extraction company that uses AI to understand and structure web content. Their crawler automatically extracts articles, products, events, and other structured data from websites. Many businesses use Diffbot for competitive intelligence, content aggregation, and data services. WHY ALLOW IT ## Why allow Diffbot? Be included in Diffbot's knowledge graph Support content aggregation services Enable structured data extraction Power various business intelligence applications ROBOTS.TXT ## Diffbot robots.txt configuration Control how Diffbot accesses your website using robots.txt directives. Add these rules to your robots.txt file at the root of your domain. ### Allow Diffbot \# Allow Diffbot User-agent: Diffbot Allow: / ### Block Diffbot \# Block Diffbot User-agent: Diffbot Disallow: / **User-Agent String:** `Diffbot/1.0 (+http://www.diffbot.com)` ## Diffbot FAQ ### What does Diffbot do with crawled data? ### Is Diffbot a search engine? ### Should I block Diffbot? ### Does Diffbot render JavaScript? ### How do businesses use Diffbot data? ## Related Crawler Simulators [ ![CCBot](/crawler-logos/common-crawl.png) CCBot Simulator ](/free-tools/crawler-simulator/ccbot-simulator)[ ![Googlebot](/crawler-logos/google-search.svg) Googlebot Simulator ](/free-tools/crawler-simulator/googlebot-simulator)[ ![Bingbot](/crawler-logos/bing.svg) Bingbot Simulator ](/free-tools/crawler-simulator/bingbot-simulator)[ ![Omgili](/crawler-logos/web-crawler.svg) Omgili Simulator ](/free-tools/crawler-simulator/omgilibot-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 Diffbot 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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