LCP: Largest Contentful Paint: "render time of the largest image or text block visible within the viewport, relative to when the page first started loading" ht

LCP: Largest Contentful Paint: "render time of the largest image or text block visible within the viewport, relative to when the page first started loading" https://web.dev/lcp/ https://web.dev/lcp/ FID: First Input Delay: "the time from when a user first interacts with a page to the time when the browser is actually able to begin processing event handlers in response to that interaction" https://web.dev/fid/ https://web.dev/fid/