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AI crawlers, robots.txt and llms.txt: a checklist for small business websites

A checklist for letting AI search read your site while deciding what AI training can use: OpenAI's crawlers, Google-Extended, robots.txt rules, llms.txt and structured data.

The short answer

Allow AI search crawlers such as OpenAI's OAI-SearchBot so your pages can appear in answers, and decide separately whether to allow training crawlers such as GPTBot. Check that your host or firewall isn't blocking them, add structured data for your business and FAQs, and consider an llms.txt file, which is a proposal some tools read but no standard yet.

The checklist

  • Search crawlers allowed. Make sure robots.txt does not block OAI-SearchBot, Bingbot or Googlebot.
  • Training crawlers decided. GPTBot (OpenAI) and Google-Extended (Google's AI training control) can be allowed or blocked separately from search.
  • Firewall checked. Some hosts and security tools block AI crawlers by default. Ask your host or check the settings.
  • Structured data. Add LocalBusiness or Organization, Service and FAQPage markup that matches the visible page.
  • Clear answers on page. Lead each service page with a short, direct answer to the main question.
  • Sitemap current. Submit it in Google Search Console and Bing Webmaster Tools.
  • llms.txt, optional. A plain-text guide to your most important pages. It is a proposal, not an adopted standard, so treat it as a low-cost extra.

Search vs. training

CrawlerOperatorPurpose
OAI-SearchBotOpenAISurfacing sites in ChatGPT search results
GPTBotOpenAICollecting content that may be used for training
ChatGPT-UserOpenAIVisiting pages when a user's request needs them
Google-ExtendedGoogleA control for use in Google's AI models; not a separate crawler

Blocking training while allowing search is a legitimate choice. If your content has licensing value, that decision connects to selling data to AI companies.

Search allowed, training your call
One example robots.txt: AI search can read the site, while training crawlers are blocked. Blocking training is a legitimate choice, made separately from search.

Sources

  1. Overview of OpenAI crawlers · OpenAI
  2. The /llms.txt file proposal · llmstxt.org

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