Google about swaying on the fringe of the core knowledge of Web Vitals fields

Have you ever seen a chart in your Page Experience report or Core Web Vitals reports that shows Core Web Vitals data and then does no more and then again? If you do this, you are not alone, it means you are “on the verge of having enough field data to properly evaluate the CWV,” said Google’s John Mueller.

Here is a diagram by Theo Burtis that shows this:

Theo asked, “Do you have any thoughts on why these fluctuations are occurring? Does not correlate with CWV data or total engagement data and cannot be replicated to other domains.”

John replied, “My guess is that your site is about to have enough field data to properly evaluate the CWV – sometimes it’s enough, sometimes it’s not. I wouldn’t worry.”

I suspect your site is about to have enough field data to properly evaluate the CWV – sometimes it is enough, sometimes it is not. I wouldn’t worry.

– 🧀 John 🧀 (@JohnMu) November 12, 2021

Google’s fluctuating data is fun when it comes to CWV data or on the Edge of the indexing or Quality advantage.

Forum discussion at Twitter.