CDN Origin Shielding in 2026: Multi-Tier Cache, Cache Hit Ratio, and TTFB
How CDN origin shielding raises cache hit ratio and cuts origin TTFB. Setup for Fastly, Cloudflare, and CloudFront with Cache-Control tips and debug headers.
How CDN origin shielding raises cache hit ratio and cuts origin TTFB. Setup for Fastly, Cloudflare, and CloudFront with Cache-Control tips and debug headers.