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SEO
Definition
The number of URLs a search engine will crawl on a site in a given window. Constrained by server capacity and the engine's allocation. Large sites optimize by ensuring high-priority URLs are easy to discover and not blocked by thin or duplicate pages.
Related terms
Indexing
The process by which a search engine adds a page to its searchable database after crawling. A page is only available to rank once indexed. Google Search Console reports indexing status under Coverage.
robots.txt
A plain-text file at the domain root that tells crawlers which paths they can access. Can target specific User-Agent strings (Googlebot, GPTBot, ClaudeBot). Blocking AI crawlers here removes the site from AI-generated answers.
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