Temporary storage that keeps copies of assets so repeat visits load faster and consume less bandwidth. Effective caching can significantly improve page-load performance for returning users. CDNs and browser cache policies work together to deliver assets efficiently.

The duration from requesting a page to complete rendering, critically affecting user experience and conversion rates. Users expect pages to load in 2-3 seconds; each additional second significantly increases bounce rates. Optimize images, limit scripts, and leverage caching to minimize load time.

Metadata sent with HTTP requests and responses that controls behavior such as caching, security policies, and content handling. Common examples include Cache-Control, Content-Security-Policy, and Strict-Transport-Security.

Prompt Caching stores reusable prompt context so repeated requests can skip redundant processing and improve performance.

In Framer, edge caching improves performance by reducing distance and server work for published pages and assets, helping sites respond quickly around the world.