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Is PSI documented anywhere? #7106

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lanistor opened this issue Jan 29, 2019 · 2 comments
Closed

Is PSI documented anywhere? #7106

lanistor opened this issue Jan 29, 2019 · 2 comments

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@lanistor
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lanistor commented Jan 29, 2019 •
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Is PSI documented anywhere?
I only found the SI document, and the reports of lighthouse(plugin of Chrome) have no PSI data.
@patrickhulce
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Are you referring to Perceptual Speed Index as PSI? If so, that was removed in Lighthouse v3 in favor of plain old Speed Index. You can find more rationale on that in this PR.

If you're referring to PageSpeed Insights, there's more linked documentation on the PageSpeed main page.

@lanistor
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Thanks a lot, it means Perceptual Speed Index, got it.

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@patrickhulce @connorjclark @lanistor