Google’s Core Web Vitals testing tools take 28 days to gather aggregate field data, and that likely won’t change any time soon.
Google Search Advocate John Mueller stated as much during the Search Central SEO hangout recorded on March 5.
Search Engine Journal’s IT Director, Vahan Petrosyan, asked Mueller about this while noting the challenges the 28-day window creates for developers and SEOs.
When a change is made to a site to improve Core Web Vitals, it will be at least 28 days before…
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