When are CWV scores updated?

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Adam Cable

Mar 20, 2024, 10:01:35 AMMar 20
to web-vitals-feedback

As you can see I'm eagerly awaiting a 200ms score on PageSpeed Insights.

Out of curiousity, are these updated at a certain time each day?


Barry Pollard

Mar 20, 2024, 10:16:24 AMMar 20
to Adam Cable, web-vitals-feedback
Usually available in the morning UK time in my experience (e.g. by 9am). But that's not guaranteed (there is no SLA).

I presume you know this is based on the previous 28-days and shows the p75 value? So it can take a while for it to make up enough of that population to actually see it move. At worse case it will take the full 28 days, but usually can see some movement before then. By day 21/28 you should have 3/4 of your traffic on the new version including the fix so should see this reflected in your p75 values (assuming even traffic each day).

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Adam Cable

Mar 20, 2024, 10:30:02 AMMar 20
to web-vitals-feedback
Thank you as always, Barry.

We've been seeing strong +ve movement across our whole area, and this is our final page to go green, so that'll save us checking once an hour :)

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