Slide 14
Slide 14 text
Where – inside or outside?
Origin server
Internet
Cache-Control: max-age=300, public
Cache-Control:
no-cache, must-revalidate,max-age=0
● Various technologies
○ PHP
○ WordPress
○ Server setup
○ Hosting service’s special
caching feature
● More control
● HTTP caching
○ may be overridden by e.g.
CDN
● Less control
○ “communication” is limited to
achieve efficient invalidation
https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching