HTTP topic

HTTP cookies

Cookies use HTTP fields but are governed by browser storage, origin, site, security, and request-context rules. This cluster connects the conceptual model to exact field references, failure diagnosis, and a bounded browser experiment.

Recommended foundation

Start here

This entry establishes the shared model used by the references, diagnostics, and experiments below.

Learn

Separate cookies, origins, and sites

Keep host and path cookie scope distinct from origin and same-site browser boundaries.

HTTP cookies

Reference

2 reviewed entries

intermediate
Cookie field
Cookie carries the stored name and value pairs selected for one HTTP request.
intermediate
Set-Cookie field
Set-Cookie asks a user agent to store one cookie with explicit attributes.

HTTP cookies

Troubleshoot

1 reviewed entry

intermediate
A browser does not send a cookie
Diagnose cookie storage and request selection separately from CORS response access.

HTTP cookies

Lab

1 reviewed entry

intermediate
Observe a bounded cookie lifecycle
Observe cookie creation, request selection, and cleanup as separate browser steps.

HTTP cookies

Start here

Separate cookies, origins, and sites

Reference

Cookie field

Set-Cookie field

Troubleshoot

A browser does not send a cookie

Lab

Observe a bounded cookie lifecycle