Addy Osmani

Blink's new CSS parser brings ~15-20% performance improvements for stylesheets on mobile: https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/r9bthijsX3A … pic.twitter.com/R3y7KxlZv0

@aerotwist @seb_ly @Paul_Kinlan This is the logic y'all follow: pic.twitter.com/cYYHH6gOqJ

ScratchJS: a Chrome DevTools extension for writing & executing ES6 using @babeljs or Traceur https://chrome.google.com/webstore/detail/scratch-js/alploljligeomonipppgaahpkenfnfkn … pic.twitter.com/QQKqy5g5O8

@GoogleDesign The Chrome settings page is exploring a Material Design refresh using @polymer https://codereview.chromium.org/1007803003  pic.twitter.com/lmCo9UP3Pl

@jayadevac if constructing XPath expressions seems hard, you can right-click nodes to copy their XPath. @paul_irish pic.twitter.com/elkCo0tTwa

@jayadevac You can use XPath expressions from the console to achieve this @paul_irish @ChromiumDev E.g: pic.twitter.com/TEI8EZ1Nv4

@drublic Unless I'm being dumb, it looks like you've toggled column hiding: @paul_irish @ChromeDevTools pic.twitter.com/eOHQlX3oJc

@WebReflection Nice! Btw, we landed WeakMap polyfill support for webcomponents-lite.js (~28KB total) a few weeks back pic.twitter.com/JvokMOyNX6

@passy Yay. You can cross it off your bucket list! pic.twitter.com/UdHcagWbeX

Chrome now streams JavaScript parsing & caches compiled code: http://blog.chromium.org/2015/03/new-javascript-techniques-for-rapid.html … Notes: https://gist.github.com/addyosmani/671b56d3f69ac4b88f45 … pic.twitter.com/16JAdhocyo

DevTools: State Of The Union ~ brand new features, perf case study & more from @jquk: https://speakerdeck.com/addyosmani/devtools-state-of-the-union-2015 … pic.twitter.com/Z0sBaPfOaE

@ebidel I'm a big fan of their Material palette tool. Select a primary & accent colour, it'll do the rest. c/p too: pic.twitter.com/EKkmuvemM7

@paddy_ganti The Pi mnemonic song by @andrewismusic does the first 101 digits: https://www.youtube.com/watch?v=EaDm9G4Ig18 … :) Pretty rad. @paul_irish

Chrome 42 says goodbye to spammy app interstitials. Hello WebApp install banners: http://updates.html5rocks.com/2015/03/increasing-engagement-with-app-install-banners-in-chrome-for-android …. This is big pic.twitter.com/fD9y90maRk

Fetch is the new XHR & is now in Chrome 42 beta! 6 Samples: https://github.com/GoogleChrome/samples/tree/gh-pages/fetch-api … Deep dive: http://updates.html5rocks.com/2015/03/introduction-to-fetch … pic.twitter.com/KSXCl6A9Mo

Chrome 42 Beta is out! Fetch API, ES6 Classes, DevTools Cubic Bezier Editor, Push API & more: http://blog.chromium.org/2015/03/chrome-42-beta-push-notifications_12.html … pic.twitter.com/zBAYD2nUrq

@samccone Kinda have that today between Timeline + Paint Profiler. Have you had a look at http://gfycat.com/WeeGrizzledFruitbat … or https://www.youtube.com/watch?v=FryzdiwJsfk …?

@bastianalbers @benschwarz's stuff is always solid <3. Btw, some Navigation Timing API utils: https://github.com/addyosmani/timing.js/ … pic.twitter.com/Fhs9z5ACWY

DOMListener: a DevTools extension for monitoring DOM changes: https://chrome.google.com/webstore/detail/domlistener/jlfdgnlpibogjanomigieemaembjeolj … (nodes, attributes & text) pic.twitter.com/gLTY42F4yN

@MicMro Yeah! Easier to see where you need to optimise TLS stack, TTFB etc. Hover over bars for more detailed info: pic.twitter.com/sE4RB1NoGP