Web.dev (Google)
LCP mäter laddning: för en bra upplevelse bör den inträffa inom 2,5 sekunder från att sidan börjar laddas. INP mäter hur sidan svarar: högst 200 millisekunder. CLS mäter hur stilla sidan står: högst 0,1.
Källans ord: Largest Contentful Paint (LCP): measures loading performance. To provide a good user experience, LCP should occur within 2.5 seconds of when the page first starts loading. […] Interaction to Next Paint (INP): measures interactivity. To provide a good user experience, pages should have a INP of 200 milliseconds or less. […] Cumulative Layout Shift (CLS): measures visual stability. To provide a good user experience, pages should maintain a CLS of 0.1. or less.