How do AI crawlers discover my website?
Through links, sitemaps, and search indexes — much the same way traditional crawlers do.
Discovery is mostly conventional. Crawlers follow links from pages they already know, read XML sitemaps, and inherit URLs from existing search infrastructure.
A valid sitemap.xml and a robots.txt that references it remain the most direct way to advertise what exists. Internal linking then determines how much of the site gets crawled and how quickly.
Some agents do not crawl broadly at all — user-triggered fetchers only visit a page when a user asks about that specific URL. Those never need discovery, but they do need access.
Pages with no internal links pointing at them, and no sitemap entry, are effectively invisible to everything.
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