web-development

Core Web Vitals: Optimizing for a Faster, Smoother Web

October 11, 2025 5 min read
E
Eunice Michael Performance Engineer
Core Web Vitals: Optimizing for a Faster, Smoother Web

Core Web Vitals remain Google’s key metrics for measuring page experience. In 2025, Google updated its focus from FID to INP (Interaction to Next Paint), rewarding sites that load fast and respond instantly.

1. Optimize LCP (Largest Contentful Paint)

Minimize render-blocking JavaScript and optimize server response time. Use modern image formats like WebP and preload hero banners for faster perceived loading.

2. Improve INP (Interaction to Next Paint)

INP measures total input delay during the entire session. Defer non-critical scripts and reduce third-party embeds. Aim for an INP under 200ms for smooth interactivity.

3. Reduce CLS (Cumulative Layout Shift)

Set fixed height/width for images and avoid injecting dynamic ads above-the-fold. Stable layouts equal happy users.

Fast websites are profitable websites. BrightStack Solutions specializes in performance audits, Lighthouse optimization, and speed scoring that translate into higher rankings and ROI.

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