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[Disclaimer: The views expressed in this post are my own, and do not represent those of my employer.] [Disclaimer: I’m a Chromium developer working on HTTP/2 amongst other things.] There are many things to love about HTTP/2, but there are also many things to hate about it. It improves over HTTP/1.X in a number of ways, yet it makes things worse in a number of ways as well. When proposing something
Recently, there was discussion on the ietf-http-wg mailing list about the current HTTP/2.0 draft’s inclusion of a SPDY feature that allows the server to send its TCP congestion window (often abbreviated as cwnd) to the client, so it can echo it back to the server when opening a new connection. It’s a pretty interesting conversation so I figured I’d share the backstory of how we got to where we are
SSL handshake latency. Includes the cert verification time (which may include an online certificate revocation check). As can be seen, new TCP connections, much less full SSL connections, generally cost anywhere from tens to hundreds of milliseconds, so hiding this latency as much as possible by better connection management is important for reducing user perceived latency. Socket “late binding” Wh
I previously discussed LocalStorage load times, and had concluded that it wasn’t too bad. However, when I got back from my new year’s holiday in Patagonia, I started digging through my email backlog and found an interesting line of questioning from GMail engineers, asking why Chrome’s first LocalStorage access was so slow in their use case, and providing data showing it. I, of course, knew why it
Back when Mike Belshe was still at Google, he used to keep saying that SSL was the unoptimized frontier. Unfortunately, even years later, it still is. There’s low hanging fruit everywhere, and most folks, myself included, don’t know what they’re doing. Tons of people are making basic mistakes. Anyone deploying a website served over HTTPS really ought to read Adam Langley’s post on overclocking SSL
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