What is robots.txt?
The robots.txt file is a simple text file that tells bots and crawlers which parts of your website they can visit. Think of it like a sign at the entrance of your website that says "visitors welcome" or "private area." Every bot that follows the rules (called the Robots Exclusion Protocol) checks this file first before crawling your site.
For AI search engines, robots.txt is especially important. It controls whether AI bots like GPTBot (ChatGPT), ClaudeBot (Claude), and PerplexityBot can access your content for training and search results. Setting this up correctly helps you manage your AI bot access effectively.
Your robots.txt file must be located at yoursite.com/robots.txt. Bots won't look for it anywhere else. If you don't have this file, bots assume they can crawl everything.
Why robots.txt Matters for AI
AI bots are different from traditional search engine crawlers. They visit your site for two main reasons:
Training Data Collection
Some AI companies use web content to train their language models. They crawl millions of pages to build knowledge bases.
You can control whether your content is used for training by blocking specific bots in robots.txt.
Search Result Generation
AI search engines crawl your content to include it in their search results and answer generation.
Allowing these bots helps your content appear in AI-generated answers, improving your GEO-Score.
The key is finding the right balance. You want AI search engines to access your content for visibility, but you might want to block certain areas or specific training bots. Your robots.txt file gives you this control.