What Your Browser Does When You Aren't Looking

Web Performance, Sutton North
Tutorial Please note: to attend, your registration must include Tutorials on Monday.
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This one’s going to be a bit different, we’re going to play a game. Given a small bit of code, can you tell if modern browsers will make an http request or not? Sounds simple, but this quiz will hurt your feelings if you’re a bad loser. But don’t worry, low scorers won’t be shamed.

Make no mistake, this isn’t all about network optimision, we’ll use things like the browser’s rendering layer and threading model to trigger requests you might not expect.

Between questions we’ll go through the whys and the hows, exploring some dark dark corners of specifications and why some browsers go their own way.

Photo of Jake Archibald

Jake Archibald

Google

Jake works in Google Chrome’s developer relations team, working on specs, testing implementations, and ensuring developers have tools to make their jobs less painful. He’s a big fan of time-to-render optimisations, progressive enhancement, and all of that responsive stuff.

Prior to Google, Jake worked at Lanyrd on their mobile web site (http://lanyrd.com/mobile/), and for the BBC working on JavaScript libraries and standards.

Outside of the web, Jake likes F1 and nice beer.

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