November 2, 2026

About Webtamine

Explainers: Caching

Comparison of the Cache-Control directives no-cache, no-store and private

Cache-Control: no-cache vs no-store vs private

Choose no-cache, no-store or private by what may be stored, reused and shared—not by the directive's name.

HTTP content negotiation flow between a client and server, showing Accept, Content-Type and Vary headers

HTTP Content Negotiation: Accept, Content-Type and Vary

Use Accept, Content-Type and Vary correctly so APIs select representations without breaking shared caches.

ETag vs Last-Modified: Choosing an HTTP Validator

Choose the right HTTP validator for caching, conditional requests and safe concurrent updates.