Core Web Vitals
Core Web Vitals are a set of specific, measurable metrics defined by Google that assess the real-world user experience of a webpage — focusing on loading performance, visual stability, and interactivity.
What are Core Web Vitals?
Core Web Vitals are a set of specific, measurable metrics defined by Google that assess the real-world user experience of a webpage — focusing on loading performance, visual stability, and interactivity. Since 2021, they are an official Google ranking factor.
Google introduced Core Web Vitals because page experience is fundamental to how useful a website actually is. A page that looks great in design but takes 8 seconds to load, shifts content around as it loads, or takes 2 seconds to respond to a click is delivering a poor user experience — and Google wants to reward pages that perform well.
The Three Core Web Vitals
The three Core Web Vitals are: LCP (Largest Contentful Paint) — measures how long it takes for the largest visible content element to fully render on screen, target: under 2.5 seconds; CLS (Cumulative Layout Shift) — measures how much the page layout unexpectedly shifts during loading, target: under 0.1; and INP (Interaction to Next Paint) — replaced FID in March 2024, measures the delay between a user's input and the browser's next visual update in response, target: under 200 milliseconds.
Why Webflow performs well on Core Web Vitals: Webflow sites are served as static HTML from a global CDN via Webflow Hosting, images can be lazy-loaded and WebP-optimized, and layout is typically stable by design.
At Appsrow, we audit and optimize Core Web Vitals on every project we build or maintain — because performance is as important as design.
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