--- description: Control which parts of a crawled page are indexed by pairing URL glob patterns with CSS selectors. title: Content selectors image: https://developers.cloudflare.com/og-docs.png --- [Skip to content](#main-content) > Documentation Index > Fetch the complete documentation index at: https://developers.cloudflare.com/ai-search/llms.txt > Use this file to discover all available pages before exploring further. # Content selectors Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/ai-search/configuration/data-source/website/content-selectors/index.md)|[Agent setup](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/agent-setup/) Content selectors let you control which parts of a crawled page are indexed. Each entry pairs a URL glob pattern with a CSS selector. When a page URL matches a glob pattern, only the elements matching the corresponding CSS selector, and their descendants, are extracted and converted to Markdown for indexing. The list is ordered and the **first matching path wins**. If a page URL matches multiple glob patterns, only the selector from the first match is applied. Order your entries from most specific to least specific. ## Default behavior Without content selectors, AI Search applies a default processing pipeline that removes elements such as `
`, `