Lighthouse Scoring Guide | lighthouse scoring guide
HowLighthousecalculatesyouroverallPerformancescoreSep19,2019•UpdatedJun12,2020Appearsin:Performanceaudits[1]Ingeneral,onlymetrics[2]contributetoyourLighthousePerformancescore,nottheresultsofOpportunitiesorDiagnostics.Thatsaid,improvingtheopportunitiesanddiagnosticslikelyimprovethemetricvalues,sothereisanindirectrelationship.Below,weveoutlinedwhythescorecanfluctuate,howitscomprised,andhowLighthousescoreseachindividualmetric.Whyyourscorefluctuates#[3]AlotofthevariabilityinyouroverallPerformanc...
How Lighthouse calculates your overall Performance score
Sep 19, 2019• Updated Jun 12, 2020
Appears in: Performance audits[1]In general, only metrics[2] contribute to your Lighthouse Performance score, not the results of Opportunities or Diagnostics. That said, improving the opportunities and diagnostics likely improve the metric values, so there is an indirect relationship.
Below, weve outlined why the score can fluctuate, how its comprised, and how Lighthouse scores each individual metric.
Why your score fluctuates #[3]A lot of the variability in your overall Performance score and metric values is not due to Lighthouse. When your Performance score fluctuates its usually because of changes in underlying conditions. Common problems include:
A/B tests or changes in ads being served Internet traffic rout...