SameSite cookies explained | Articles | web.devEvery cookie contains a key-value pair along with a number of attributes that control when and where that cookie is used. The introduction of the SameSite attribute (defined in RFC6265bis) lets you declare whether your cookie is restricted to a first-party or same-site context. It's helpful to understand exactly what 'site' means here. The site is the combination of the domain suffix and the part
