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CPU Limited Websites
10-22-2014, 09:37 AM
Post: #1
CPU Limited Websites
If WPT says a given webpage is blocked on CPU, what are reasonable next steps to mitigate the problem?

For example, Huffington Post ( to be that case where the first resource optimization would be to fix the CPU

same for this site called

I can guess it might be to profile them under chrome timeline , figure out the culprit., etc
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10-24-2014, 03:05 AM
Post: #2
RE: CPU Limited Websites
If you turn on timeline capture then you can get an idea for what it is doing and if there are expensive operations. Make sure to run several tests though and make sure it is consistent.

Also, running at "Native" speed is going to drive things to be more CPU-limited than the slower bandwidths.

Generally if the browser is getting resources fast enough then it is always going to be CPU-limited (though it could still be spending a lot of time doing image decoding, layout, js execution, etc).
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