Lighthouse performance scoring | Chrome for Developers

How metric scores are determined Once Lighthouse has gathered the performance metrics (mostly reported in milliseconds), it converts each raw metric value into a metric score from 0 to 100 by looking where the metric value falls on its Lighthouse scoring distribution. The scoring distribution is a log-normal distribution derived from the performance metrics of real website performance data on HTTP

[mizdra]

Lighthouseのパフォーマンススコアについて。スコアの揺らぎの原因や、どのように重みを付けてスコアを算出しているかなどを紹介している。

[eller]

Good document to explain how to make the web page faster

[tlync]

Google さんの Web Performance Best Practice