Well, this is awkward! #Chrome's #Lighthouse Audit is giving different results for the same exact page on different machines. "Real World" testing... sure... 
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Replying to @fmontes
Well, that's ... insane! What's the best way to test then? Google Page Insights you'll never be perfect if you're not AMP, WebPageTest and GTMetrix? Can't think of anyother that's unbiased ... Appreciate any tips!
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Replying to @fmontes
Yeap! Read it, and tried 10 times on an iMac 5k, got 98/99 score. Did the same on a MBA13 i7 75/80. PageInsights gave consistent 94/95 and GTMetrix 98/99. Good results but frustrating. As you said. Lighthouse should be the Gold Standard...
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Maybe
@ChromeDevTools can chime in with some insights? Is it normal for Lighthouse to give different results on different machines? If so, how do you get a "standard" for correct Page Performance?1 reply 0 retweets 0 likes -
Yes.
@paul_irish can probably tell you more. Also take a look at https://developers.google.com/speed/pagespeed/insights/ …1 reply 0 retweets 1 like -
The link goes to the main Page Insights Test page?
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Replying to @paul3fa @ChromeDevTools and
https://github.com/GoogleChrome/lighthouse/blob/master/docs/variability.md … is the documentation you're lookin for :)
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My TL;DR: don't trust Lighthouse except from a single, verified configuration. http://WebPageTest.org/easy is your friend!
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Replying to @slightlylate @patrickhulce and
Got it! Thoughts on GTMetrix? Found it to be quite reliable, but that's imho.
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Replying to @paul3fa @slightlylate and
Thanks for all the insights here guys!
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