How to Pass Core Web Vitals with WebP and Image Compression 2026
2026-02-01
Improve LCP and CLS with image compression and WebP. Technical guide for site owners.
What Are Core Web Vitals?
LCP (Largest Contentful Paint), FID (First Input Delay), CLS (Cumulative Layout Shift). Google uses them to rank sites.
The Role of Images in Performance
Large images slow down LCP. Use WebP or compressed JPG. Right dimensions for the viewport.
Image Strategy for Fast Sites
Compress to 80–85%. Use WebP with JPG fallback. Responsive dimensions.
Frequently Asked Questions
- What is LCP?
- Largest Contentful Paint—the time until the largest element on the page appears.