Joe Liccini
Why Your Cached JavaScript Is Still Slow and Incurs Performance Overhead
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Most developers still don't understand that large JavaScript code is really hurting performance, let's hope this great explanation by Joe, that this is really not just about network, will help:
even if a web application has all assets optimally delivered and/or cached, that doesn't mean that it will run fast or render quickly when it is needed during runtime on the end-user's device.