Overall pass rate January 2023 Websites passing all 3 web vitals 3.92% Websites checked last month 7.9k More trends
Visual stability Measured by Cumulative Layout Shift (CLS) January 2023 Percent of all websites rated “good” 58.47% Websites checked last month 7.9k Cumulative layout shift is a measure of how much a webpage jumps around. What is Cumulative Layout Shift? More trends
Input delay Measured by Total Blocking Time (TBT) January 2023 Percent of all websites rated “good” 29.24% Websites checked last month 7.9k The Total Blocking Time (TBT) metric measures the total amount of time between First Contentful Paint (FCP) and Time to Interactive (TTI) where the main thread was blocked for long enough to prevent input responsiveness. What is Total Blocking Time? More trends
Loading speed Measured by Largest Contentful Paint (LCP) January 2023 Percent of all websites rated “good” 6.84% Websites checked last month 7.9k The Largest Contentful Paint (LCP) metric reports the render time of the largest image or text block visible within the viewport, relative to when the page first started loading. What is Largest Contentful Paint? More trends