Time to First Byte (TTFB)Experimental is the time it takes to receive the first byte from the server. A fast TTFB indicates that the server responses quickly.Learn more at web.dev/ttfb/→
First Contentful Paint
First Contentful Paint (FCP) marks the time when the user can see anything on the screen. A fast FCP helps reassure the user that something is happening.Learn more at web.dev/fcp/→
Largest Contentful PaintCWV
Largest Contentful Paint (LCP)Core Web Vital marks the time when the page's main content has likely loaded. A fast LCP helps reassure the user that the page is useful.Learn more at web.dev/lcp/→
Cumulative Layout ShiftCWV
Cumulative Layout Shift (CLS)Core Web Vital quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.Learn more at web.dev/cls/→
Interaction to Next PaintCWV
Interaction to Next Paint (INP)Core Web Vital measures interaction latency. It observes the latency of all interactions a user has made with the page, and reports a single value which all (or nearly all) interactions were below. A low INP means the page was consistently able to respond quickly to user interactions.Learn more at web.dev/inp/→
First Input Delay
First Input Delay (FID)Core Web Vital quantifies the experience users feel when trying to interact with unresponsive pages. A fast FID indicates that the page is usable.Learn more at web.dev/fid/→
The data collected anonymously from real-world Google Chrome users and provided by Chrome UX Report.
URL-level data is live and aggregated over the past 28 days. Detailed domain-level information is published every second Tuesday of the month
The detailed CrUX data for February 2024 will be published on March 12th.