Technology
HTTP security headers: which ones to set on any website and what each does
What HSTS, Content-Security-Policy, X-Content-Type-Options, X-Frame-Options, Referrer-Policy and Permissions-Policy do, with recommended values and checks.
Topic
Articles about Hosting
2 articles · Hosting: practical guides, examples and explanations written by Aimran.
Technology
What DNS is and what A, AAAA, CNAME, MX and TXT records are for
How DNS turns a domain into an IP address, what each record type does, what TTL and “propagation” are, and how to check your domain’s configuration with dig.