Glossary term
What is SameSite (SameSite cookie attribute)?
SameSite stands for SameSite cookie attribute.
A cookie setting (Strict, Lax or None) that says if the cookie is sent on requests from other sites. It is the main built-in defence against CSRF.
Learn it properly · The Browser ContractLesson 1: Storage in the Browser: Cookies, localStorage, sessionStorage and IndexedDBHow long each one lasts, how big it can be, and who can read it: the tab, the site, the server or JavaScript. It ends with a table that answers: where should this data go?