Ouch, your JavaScript hurts!
Speed Curve
JUNE 24, 2018
When looking to improve the performance and user experience of our sites we often start by looking at the network: What's the time to first byte? How many requests are we making and how long are they taking? What's blocking the browser from rendering my precious pixels? While these are entirely valid questions, over the last few years we've seen a growing number of web performance issues that are caused, not by the network, but by the browser's main thread getting clogged up by excessive CPU usa
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