SameSite Cookies Tester

Manual SameSite Cookie Test

SameSite Cookie Status: GET

"StrictCookie" ❌
"LaxCookie" ❌
"SecureNoneCookie" ❌
"NoneCookie" ❌
"DefaultCookie" ❌

Run another test from the External Site.

Since you arrived here as part of a cross-site request from, your browser will have checked the SameSite cookie attribute and only sent cookies that were allowed for this specific request. All other cookies will have been blocked.

Available Tests

An experiment by Stephen Rees-Carter for "CSRF is dead (or is it?)" and "SameSite Cookies Deep Dive".
Source Code on GitHub, PRs welcome.