High Performance Browser Networking - igvita.com
High Performance Browser Networking What every developer must know about networking in the browser to build faster, more responsive applications. TCP, UDP and SSL optimization HTTP 1.1 & HTTP 2.0 performance tips Wireless and mobile network performance WebSocket, WebRTC, DataChannel, and more Part I: TCP, UDP & TLS Performance early release An in-depth look at performance characteristics of TCP, U
Faster Websites: Crash Course on Web Performance - igvita.com
Clearly, three hours of web performance content is not enough. I gave an updated version of the below workshop at Fluent 2013, the videos for which are now online on YouTube - check it out! Delivering a fast and optimized user experience in the browser requires careful thinking across many layers of the stack - TCP and up. In a rather ambitious undertaking, when I got the chance to run a three hou
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
Web Performance Power Tool: HTTP Archive (HAR) - igvita.com
By Ilya Grigorik on August 28, 2012 When it comes to analyzing page performance, the network waterfall tab of your favorite HTTP monitoring tool (e.g. Chrome Dev Tools, Firebug, Fiddler, etc) is arguably the single most useful power tool at our disposal. Now, wouldn't it be nice if we could export the waterfall for better bug reports, performance monitoring, or later in-depth analysis? Well, good
Automating Web Performance with mod_pagespeed - igvita.com
By Ilya Grigorik on October 10, 2012 One of the best investments any development team can make is towards better tooling and automation of common workflows. Turns out, many web performance best practices are prime candidates for this type of automation: preprocessing, minification, concatenating and spriting assets, optimizing images, and so on. One way to achieve this is through a build step prio
DevTools Tips and Tricks
A whirlwind tour of DevTools tips and tricks Part I: DevTools tips, tricks and awesome features (video) Part II: Extending DevTools, Debug Protocol, Extensions, ... (video) Follow along @ bit.ly/devtools-tips Elements & Console Drag & Drop to reorder elements $0 to inspect selected element in console Break on node removal - delete me cmd-? to become a keyboard ninja Customize your settings! Disab
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