Removing HTTP/2 Server Push from Chrome

buik · Sep 26, 2022

Because most users use Chrome or a Chrome-based browser. This does effectively mean the end of server push.

Following on from the previous announcement, support of HTTP/2 Server Push will be disabled by default in Chrome 106 and other Chromium-based browsers in their next releases.
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eva2000 · Sep 27, 2022

Yeah, they've moved onto the next evolution of this = 103 Early Hints Google Chrome 103 onwards have public released 103 Early Hints support New in Chrome 103 - Chrome Developers

103 Early Hints - HTTP | MDN

https://www.fastly.com/blog/beyond-server-push-experimenting-wiarly-hints-status-code

https://developers.cloudflare.com/cache/about/early-hints/ I'm using this with Cloudflare on the Centmin Mod site, blog and forums

Early Hints takes advantage of “server think time” to asynchronously send instructions to the browser to begin loading resources while the origin server is compiling the full response. By sending these hints to a browser before the full response is prepared, the browser can figure out how to load the webpage faster for the end user.

Formally, Early Hints is a web standardOpen external link that defines a new HTTP status code (103 Early Hints) that defines new interactions between a client and server. 103s are served to clients while a 200 OK (or error) response is prepared, which is the “server think time.” You can enable Cloudflare’s edge to cache and send 103 Early Hints responses with Link headers from your HTML pages. The response contains hints about which assets will likely be needed to fully render the web page. This “hinting” speeds up page loads and generally reduces user-perceived latency.

CloudflareOpen external link and Google ChromeOpen external link blogs.
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Emitting Early Hints
Cloudflare will asynchronously look up and emit a cached 103 Early Hints response ahead of a main response.

Currently, only certain browser versions will take action to preload or preconnect on receiving Early Hints, such as Google Chrome M94 and higher. Instructions for running WebPageTest to experiment with compatible client browsers can be found in the blog postOpen external link.
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Removing HTTP/2 Server Push from Chrome

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Removing HTTP/2 Server Push from Chrome

buik “The best traveler is one without a camera.”

eva2000 Administrator Staff Member

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