The HTTP spec is the authoritative source, and it’s pleasantly well-written and approachable. Set aside 10 minutes to read a few pages from this paragraph and y

The HTTP spec is the authoritative source, and it’s pleasantly well-written and approachable. Set aside 10 minutes to read a few pages from this paragraph and you’ll understand this distinction better than most in the industry https://datatracker.ietf.org/doc/html/rfc7231#section-4.2 https://datatracker.ietf.org/doc/html/rfc7231#section-4.2