By default cookies are sent for cross-origin requests. The SameSite cookie flag that lets sites control this was only shipped in Safari the year before this blo

By default cookies are sent for cross-origin requests. The SameSite cookie flag that lets sites control this was only shipped in Safari the year before this blog post was written so it would have been hard to depend on it yet. https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/Cookies#controlling_third-party_cookies_with_samesite https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/Coo...