Google Confirms Chrome Usage Data Used to Measure Site Speed

Ecompromo | April 8, 2018 | SEO Resources

Posted by Tom-Anthony

During a discussion with Google’s John Mueller at SMX Munich in March, he told me an interesting bit of data about how Google evaluates site speed nowadays. It has gotten a bit of interest from people when I mentioned it at SearchLove San Diego the week after, so I followed up with John to clarify my understanding.

The short version is that Google is now using performance data aggregated from Chrome users who have opted in as a datapoint in the evaluation of site speed (and as a signal with regards to rankings). This is a positive move (IMHO) as it means we don’t need to treat optimizing site speed for Google as a separate task from optimizing for users.

Previously, it has not been clear how Google evaluates site speed, and it was generally believed to be measured by Googlebot during its visits — a belief enhanced by the presence of speed charts in Search Console. However, the onset of JavaScript-enabled crawling made it less clear what Google is doing — they obviously want the most realistic data possible, but it’s a hard problem to solve. Googlebot is not built to replicate how actual visitors experience …read more



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