This is a bug in lighthouse
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Surely, it's less Lighthouse != Lighthouse and more synthetic throttling != real-world constraints. That Lighthouse runs in both contexts is a feature, but perhaps the key is for it to surface that synthetic results are indicative only?
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yes I did want to rely more on webpagetest but it's not so easily integrated into CI...I guess if the variance is less than some % I can live with that
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Maybe
@rob_dodson can shed additional light on this. Isn't the http://web.dev version alpha? Where WPT easy is based on their own release. I know there are location and simulation variations in the two. -
http://web.dev uses the same infra as pagespeed insights. So it's running in a data center with simulated settings. Useful as an entry point for folks, but WPT on real hardware will give more accurate results.
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