DNS records and HTTP routing answer different questions
Trace an alias to a local HTTPS server, observe TLS SNI and HTTP Host separately, and distinguish a certificate rejection from an application routing failure.
Foundation
The journal / Ideas in progress
Engineering & everyday learningNotes from
the work.
Software, systems, and the things I’m learning along the way. From first principles to AI in production.
Find something to readAll notes 3
A little theory. A lot of practice.
Lighthouse 100 and agent-ready: a Da Nang flower shop
How a Da Nang flower shop site reached Lighthouse 100 on desktop and mobile and a 100/100 agent-ready score: Cloudflare, images, SEO, GEO and AEO.
Intermediate
Document your first cloud deployment as a procedure
Document a first cloud deployment through its artifact, environment inputs, user-path verification and recovery procedure.
Foundation