April 2019
Intermediate to advanced
416 pages
14h 4m
English
Content preview from HTTP/2 in Action
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Chapter 5. Implementing HTTP/2 push
This chapter covers
- What is HTTP/2 push?
- The various ways to request an HTTP/2 push
- How HTTP/2 push works from the server and client sides
- What to push and what not to push
- Troubleshooting HTTP/2 push
- Some of the risks of HTTP/2 push
5.1. What is HTTP/2 server push?
HTTP/2 server push (hereafter known as HTTP/2 push) allows servers to send back extra resources that weren’t requested by the client. Before the introduction of HTTP/2, HTTP was a simple request-and-response protocol; a browser requested a resource, and the server responded with that resource. If the page needed extra resources to be displayed (such as CSS, JavaScript, fonts, images, and so on), the browser had to download ...
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