Serve images from a CDN

Image CDNs automatically optimize, resize, and convert images on-the-fly—delivering the smallest file in the best format without manual processing.

Quick Reference

• Use image CDN for automatic format conversion (WebP, AVIF)
• Generate responsive sizes on-the-fly via URL parameters
• CDN edge caching delivers images from nearest location
• Popular options: Cloudinary, Imgix, Cloudflare Images, Vercel

Check

Verify if images are served from a CDN or image optimization service.

Fix

Configure an image CDN like Cloudinary, Imgix, or Cloudflare Images for automatic optimization.