Reference library
All Terms
I
Interaction to Next Paint (INP)Interaction to Next Paint (INP) is a Core Web Vital that measures how quickly a page visibly responds to clicks, taps, and key presses, reported as one of the slowest interactions of a visit.AdvancedIntrusive Interstitials: Popups, UX, and SEO RiskIntrusive interstitials are dialogs, overlays, or popups that block main content or heavily interrupt users, especially on mobile. They can weaken page experience and search performance even when the message is well intended.Intermediate
L
Largest Contentful Paint (LCP)Largest Contentful Paint (LCP) is a Core Web Vital that measures when the largest image, video, or text block in the viewport is rendered, counted from the start of the page load.IntermediateLazy LoadingLazy loading delays the download of images, iframes, or other resources until they are about to enter the viewport, so the browser can spend its early bandwidth on what the visitor sees first.Intermediate