Web systems / Field notes
How the web gets from server to screen.
Notes on the parts of web infrastructure that usually stay out of sight: routing, TLS, caching, name resolution and the small configuration decisions that make a difference.
Explore the systemsWhat we're looking at
Three areas
01 / NETWORK
Routing & DNS
Where requests go, how names are resolved and what happens when an upstream path becomes unavailable.
02 / SECURITYTLS & certificates
Certificate chains, hostnames, renewal and the details behind a reliable HTTPS endpoint.
03 / DELIVERYHTTP & caching
Response codes, cache policies and a few practical notes on serving static content correctly.