Performance as a Ranking Factor: State of the Web and CWV

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Summary

In this third and final post of this series, we’ll see what the data tells us about the relationship between Core Web Vitals metrics and organic ranking performance. It’s also interesting to contrast with a performance metric which was not part of the Page Experience update: Speed Index, as reported in Lighthouse lab results. Although these URLs often started out ranking best of all (probably because they disproportionately represent some important, household name brands) they’ve taken a hit with the update. Back in the original FAQs for the update in 2020, Google said: For all the data reasons I covered in part one, likely they weren’t able to do this, and had to improvise a bit, instead only applying the relative penalty (or absence of a boost) for URLs that failed all metrics, rather than for URLs that failed one or more. Head over to Moz Pro and check out the Performance Metrics beta within our Site Crawl toolset.

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