field Registered
Verified 2026-09-18 · registry updated
2026-08-28Clear-Site-Data
Instructs a browser to clear selected cached, storage, or execution data for an origin.
Use Clear-Site-Data during logout or incident response when the browser must discard cookies, storage, or cache data.
httpsecurityprivacycookies
Reference (http)
Clear-Site-Data: "cache", "cookies", "storage"
Use Clear-Site-Data during logout or incident response when the browser must discard cookies, storage, or cache data.
Common mistakes
- Using it as a substitute for server-side session revocation.
IANA registry: http-fields/field-names
Registry reference: Clear Site Data