Wix vs Google Core Web Vitals: why customisation often means “harder to pass”

Google’s Core Web Vitals (CWV) are the yardstick for real-world user experience on the web. They measure three things that visitors feel straight away: how quickly the main content appears (Largest Contentful Paint, or LCP), how stable the layout is while everything loads (Cumulative Layout Shift, or CLS), and how quickly the page responds to
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