Reflow in a web browser refers to the process of calculating the positions and geometry of elements in the document for purpose of rendering, or re-rendering its visual presentation. Every browser has its own logic for doing, and sometimes not doing, these calculations.
This talk will present some findings from testing reflow times in a variety of browsers under different conditions. I will discuss the method used to gather the data, explore cross-browser reflow differences, and give developers advice on what to avoid when doing dynamic updates to their pages to avoid costly reflows in the browser.
Lindsey Simon is a Front-End Developer for Google’s User Experience team. Simon hails from Austin, TX where he slaved at a few startups, taught computing at the Griffin School, and was the webmaster for many years at the Austin Chronicle. He currently lives in San Francisco and runs a foodie website – dishola.com.
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