Web Core Vital Metrics

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The web core vitals are the three core page load metrics that a web page should focus on.

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Devtool Chrome Web Core Vital Overlay




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Largest ContentFul Paint (LCP)

is a web core vital metrics of page load that measures the time: from navigation to the time when the browser renders the largest image or text block visible within the viewport (ie above the fold)...
Layout Shift Devtool Performance
Layout Shift: How to prevent it ? (Cumulative Layout Shit / CLS)

A layout shift occurs when the rendering of the web page shifts / move element from their current position. For instance: without the knowledge of the target ratio (via the height and width attribute...
Browser
Page (Load|Speed) Metric - First Contentful Paint (FCP)

First Contentful Paint (FCP) : is a page load timing metrics that measures the time: from navigation to the time when the browser renders the first bit of content from the DOM (which may be text,...



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