Karolina Szczur avatar Karolina Szczur

Lighthouse changes how Performance Score is calculated

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Lighthouse 6 is the first major release of the popular auditing tool since May 2019, introducing critical changes that will impact everyone relying on the scoring. Remember, the PageSpeed Score (which contributes to your SEO ranking) is the same as the Lighthouse Performance Score.


No matter how you are using Lighthouse, whether it’s one-off tests or any continuous performance testing tool, your Performance Score will change.

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  1. Nicolas Hoizey avatar Nicolas Hoizey
    Looking forward to see how @____lighthouse 6 new rules will affect @zachleat’s webperf audit of sites built with @eleven_ty… 😁