Measures the time until the largest content element is painted.
LCP is a Core Web Vital metric that measures how long it takes for the largest content element (e.g., a large image, a block of text) to become visible within the viewport.
It's designed to measure a page's perceived loading speed. It marks the point when the main content of the page has likely loaded, making it feel complete to the user.
LCP is a direct ranking factor. A poor LCP score will negatively impact your SEO and indicates a slow-loading page.
Run a free audit to see how your site performs on Largest Contentful Paint (LCP) and 159 other checks.
Start Free AuditChecks if images use responsive techniques like srcset.
Checks if images have width and height attributes to prevent layout shift.
Checks for JavaScript errors in the browser console. (Note: In-dev check)
Measures the total size of the HTML document.