Web
Docket Cache: A WordPress Object Cache Without Redis
A persistent WordPress object cache for hosting without Redis: each entry is a PHP file that OPcache keeps compiled. How it works, and what it did on a test site.
Topic
caching
Linux
Dockerfile Layer Caching: Order Instructions for Fast Rebuilds
A one-line code change should not reinstall every dependency. Timed rebuilds show how instruction order, .dockerignore and ARG placement decide what Docker reuses.
Web
HTTP Cache-Control Explained: max-age, no-cache, ETags
no-cache does not mean do not cache. A hands-on look at Cache-Control, ETags and 304 responses with a tiny Node server, plus how a CDN treats them.