The Science of Acceleration
Cache-Control is the contract between origin, NetDNA, and the browser.
Copy these
| Asset | Header |
|---|---|
| Fingerprinted CSS/JS/images | public, max-age=31536000, immutable |
| Uploads that change in place | public, max-age=86400 plus purge on replace |
| HTML (WordPress/Magento) | private, no-store or short max-age on origin, not the CDN |
| CDN longer than browser | add s-maxage=… |
EdgeRules can override origin when origin cannot change. Glossary: TTL.