Glossary: System Design Basics in PHP
Cache-Control header
Also written: Cache-Control, max-age
An HTTP header telling browsers and CDNs how long to keep a file, for example `max-age=86400` for one day. It is a TTL set by HTTP.
Glossary: System Design Basics in PHP
Also written: Cache-Control, max-age
An HTTP header telling browsers and CDNs how long to keep a file, for example `max-age=86400` for one day. It is a TTL set by HTTP.