> For the complete documentation index, see [llms.txt](https://http2-explained.haxx.se/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://http2-explained.haxx.se/en/part13.md).

# Further reading

If you think this document was a bit light on content or technical details, here are additional resources to help you satisfy your curiosity:

* The HTTPbis mailing list and its archives: <https://lists.w3.org/Archives/Public/ietf-http-wg/>
* The actual http2 specification in a HTMLified version: <https://httpwg.github.io/specs/rfc7540.html>
* Firefox http2 networking details: <https://wiki.mozilla.org/Networking/http2>
* curl http2 implementation details: <https://curl.haxx.se/docs/http2.html>
* The http2 web site: <https://http2.github.io/> and perhaps in particular the FAQ: <https://http2.github.io/faq/>
* Ilya Grigorik's HTTP/2 chapter in his book “High Performance Browser Networking”: <https://hpbn.co/http2/>


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://http2-explained.haxx.se/en/part13.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.