Core Web Vitals
Google’s user-centric performance metrics: LCP (loading), INP (interactivity), and CLS (visual stability) that influence page experience signals.
Core Web Vitals are metrics that capture real-user loading, interactivity, and visual stability. As of 2024+, they include Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS). They matter because slow or unstable experiences reduce engagement and can dampen visibility where page experience is evaluated. For SEO, CWV shape technical priorities—image optimization, script strategy, and layout discipline—so content is quickly usable. They influence template design, media handling, and monitoring practices and are best tracked with field data to reflect real users, not just lab scores.
Key Takeaways:
- •Focus on LCP, INP, CLS with field data
- •Optimize images, scripts, and layout stability
Context:
A SaaS blog’s LCP is 4.5s on mobile.
Action:
The team compresses hero images, preloads critical assets, and defers non-essential JS.
Result:
LCP drops below 2.5s, session depth improves, and rankings stabilize on competitive head terms.
Related Terms
INP (Interaction to Next Paint)
A Core Web Vital that measures responsiveness—how quickly the interface updates after user input across the page’s lifecycle.
Page experience
Page experience helps clarify meaning and intent so users and search systems quickly understand your page. Done well, it improves discoverability, relevance, and the pathways that lead to conversions.
Page speed
Page speed influences speed, stability, and crawl/index efficiency. Solid technical execution improves user satisfaction and strengthens page experience signals that support durable visibility and conversions.
Largest Contentful Paint (LCP)
Measures loading performance by timing when the main content element (image or text block) becomes visible to users.
Cumulative Layout Shift (CLS)
Cumulative Layout Shift (CLS) influences speed, stability, and crawl/index efficiency. Solid technical execution improves user satisfaction and strengthens page experience signals that support durable visibility and conversions.
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