Archive for the ‘perceived performance’ Category

Using the Paint Timing API

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It's a great time to be a web performance aficionado, and the arrival of the Paint Timing API in Chrome 60 is proof positive of that fact. The Paint Timing API is yet another addition to the burgeoning Performance API, but instead of capturing page and...

Prerender on hover?

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InstantClick is a pretty popular JavaScript library (4,344 stars, as I type). This is the gist: Before visitors click on a link, they hover over that link. Between these two events, 200 ms to 300 ms usually pass by (test yourself here). InstantClick ma...