> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://setubridge.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What app blocks and app embed blocks are in your app, and their purpose?

* Apps that inject inline content on a page extend themes using app blocks. Apps that don't have a UI component, or that add floating or overlaid elements, extend themes using app embed blocks.
* App embed blocks / App blocks allow you to only load scripts on specific pages. Loading scripts on specific pages minimizes your app's performance impact by limiting it to only the pages where it's needed.