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Difference Resulting Test "webpagetest.org/lighthouse" & "lighthouse extension" - Printable Version

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Difference Resulting Test "webpagetest.org/lighthouse" & "lighthouse extension" - nghiadinh - 08-31-2020 01:50 PM

My site is "Couponforless.com"
I tested some pages of the site on "webpagetest.org/lighthouse" & "lighthouse extension", then there is a difference? Someone tells me the reason, and should I use any result Undecided? Some example demo below:

Link 1 tested by Webpagetest.org/lighthouse
Link 2 tested by Lighthouse extension

Thanks!