First Contentful Paint

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First Contentful Paint (FCP): Measures how quickly content appears on the screen. Faster FCP means quicker perceived load time.

Largest Contentful Paint

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Largest Contentful Paint (LCP): Measures the render time of the largest content element. Fast LCP ensures main content loads quickly.

Total Blocking Time

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Total Blocking Time (TBT): Measures time when the main thread is blocked. Lower TBT ensures responsive pages.

Cumulative Layout Shift

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Cumulative Layout Shift (CLS): Measures visual stability by quantifying unexpected layout shifts. Lower CLS prevents elements from moving unexpectedly.

Desktop Performance Score

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Desktop Performance Score: Rates desktop webpage performance. Higher score indicates better performance on desktop.

Accessibility Score

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Accessibility Score: Rates webpage accessibility for users with disabilities. Higher score means better accessibility.

Best Practices Score

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Best Practices Score: Rates adherence to web development best practices. Higher score indicates better adherence.