Optimizing TLS Record Size & Buffering Latency - igvita.com
By Ilya Grigorik on October 24, 2013 TLS record size can have significant impact on the page load time performance of your application. In fact, in the worst case, which unfortunately is also the most common case on the web today, it can delay processing of received data by up to several roundtrips! On mobile networks, this can translate to hundreds of milliseconds of unnecessary latency. The good
Latency: The New Web Performance Bottleneck - igvita.com
By Ilya Grigorik on July 19, 2012 If we want a faster browsing experience then reducing the round trip time (RTT) should be near the top of our list. Or, as Mike Belshe put it: more bandwidth doesn't matter (much). Now, let's be clear, higher bandwidth is never a bad thing, especially for use cases that require bulk transfer of data: video streaming, large downloads, and so on. However, when it co
ãªãœ QUIC ã‚„ SPDY ãŒç”Ÿã¾ã‚ŒãŸã®ã‹ ? - Block Rockin’ Codes
Intro Google ㌠SPDY ã®é–‹ç™ºã‚’始ã‚ãŸã®ã¯ 2009 å¹´ã§ã€ 2012 å¹´ã« HTTP2.0 ã®ãƒ‰ãƒ©ãƒ•ãƒˆã¨ã—ã¦æŽ¡ç”¨ã•ã‚ŒãŸã‚ãŸã‚Šã‹ã‚‰ã¡ã‚‡ã£ã¨è©±é¡Œã«ãªã‚Šã¾ã—ãŸã€‚ ç¿Œ 2 月ã«ã¯æ–°ãŸãªãƒ—ãƒãƒˆã‚³ãƒ« QUIC ã®å˜åœ¨ãŒ Chromium ã®ã‚½ãƒ¼ã‚¹ã‹ã‚‰ãƒªãƒ¼ã‚¯ã—ãŸã®ã§ã™ãŒã€ã—ã°ã‚‰ãã¯éŸ³æ²™æ±°ãªã。 6 月ã«å…¥ã£ã¦ã‚„ã£ã¨ Google ã‹ã‚‰å…¬å¼ã‚¢ãƒŠã‚¦ãƒ³ã‚¹ã¨ãƒ‰ã‚ュメント類ãŒå‡ºã¾ã—ãŸã€‚ 去年ã‹ã‚‰ä»Šå¹´ã«ã‹ã‘ã¦ç«‹ã¦ç¶šã‘ã«å‡ºã¦ãã‚‹æ–°ã—ã„プãƒãƒˆã‚³ãƒ«ã®è©±ã€‚ ãªãœä»Š Web ã®ãƒ—ãƒãƒˆã‚³ãƒ«ãŒè¦‹ç›´ã•ã‚Œã‚‹ã®ã‹ï¼Ÿ 何ãŒå•é¡Œã§ã€ãªãœ Google ã¯ãれらを作り変ãˆã‚‹ã®ã‹ï¼Ÿ SPDY ã‚„ QUIC 㯠Google ã®ç‹¬è‡ªãƒ—ãƒãƒˆã‚³ãƒ«ã ã‘ã©ã€ãã‚Œã¯æœ¬å½“ã«ãŸã ã®ç‹¬è‡ªãƒ—ãƒãƒˆã‚³ãƒ«ã§çµ‚ã‚らã›ã¦ã„ã„ã®ã‹ï¼Ÿ 20% ルールã§ä½œã£ã¦ã¿ãŸ Play プãƒã‚¸ã‚§ã‚¯ãƒˆã§ã—ã‹ãªã„ã®ã‹ï¼Ÿ ã“ã†ã—ãŸæ–°ã—ã„å‹•ãã«ã¯ã€ã‹ãªã‚‰ãšã€Œãã‚Œã¾ã§ã€ã¨ã€Œä»Šã€ã‚’è¸
trickle
» trickle In short trickle is a portable lightweight userspace bandwidth shaper. It can run in collaborative mode (together with trickled) or in stand alone mode. trickle works by taking advantage of the unix loader preloading. Essentially it provides, to the application, a new version of the functionality that is required to send and receive data through sockets. It then limits traffic based on
Network Congestion and Web Browsing - Insouciant
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
What to Expect from HTTP/2
Mark Nottingham (@mnot) Why Change HTTP? The Web Has Changed. Heavier and More Interactive HTTP Archive Performance = Attention = $$$ Courtesy Ilya Grigorik Mobile Is Here Courtesy Ilya Grigorik Web Engineering Today: Current Perf Techniques Spriting Inlining #globalheader { background:#707070; background: -o-linear-gradient(top, rgba(0, 0, 0, .2) 0, rgba(0, 0, 0, 0) 5%, rgba(0, 0, 0, 0) 97%, rgba
Velocity: TCP and the Lower Bound of Web Performance | High Performance Web Sites
July 13, 2010 7:08 pm | 13 Comments John Rauser (Amazon) was my favorite speaker at Velocity. His keynote on Creating Cultural Change was great. I recommend you watch the video. John did another session that was longer and more technical entitled TCP and the Lower Bound of Web Performance. Unfortunately this wasn’t scheduled in the videotape room. But yesterday Mike Bailey contacted me saying he h
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Is Mobile Friendly "Friendly" Enough?
Optimizing Your Network Stack for Optimal Mobile Web Performance
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