Performance Score (Perf) estimates the speed of your page based on metrics.
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–/100
Largest Contentful Paint
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.
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–s
Total Blocking Time
Total Blocking Time (TBT) highlights interactivity of the page. It is a sum of all time periods between FCP and TTI, when task length exceeded 50ms.
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–ms
Cumulative Layout Shift
Cumulative Layout Shift (CLS)Core Web Vital quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.
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Nov 6Today
Latest Audits
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Largest Contentful Paint
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.
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–s
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.
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–s
Nov 6Today
Interactivity
Total Blocking Time
Total Blocking Time (TBT) highlights interactivity of the page. It is a sum of all time periods between FCP and TTI, when task length exceeded 50ms.
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–ms
Time to Interactive
Time to Interactive (TTI) is the amount of time it takes for the page to become fully interactive.
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–s
Nov 6Today
Visual Stability
Cumulative Layout Shift
Cumulative Layout Shift (CLS)Core Web Vital quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.
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Nov 6Today
Lighthouse Checks
Accessibility
Accessibility Score (Acc) highlights opportunities to improve the accessibility of your web app.
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–/100
Nov 6Today
Best Practices
Best Practices Score (BP) shows recommendations for modernizing your page and avoiding performance pitfalls.
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–/100
Nov 6Today
SEO
Search Engine Optimization Score (SEO) shows how your page is optimized for search engine ranking.