demo · v144

RWS Deprecation Note

Type a primary and a member origin — the tool extracts the eTLD+1 and tells you whether the new (post-RWS) rules let them share cookies. Probe below confirms whether your browser still recognises the .well-known/related-website-set endpoint.

RWS / storage access status:

consolidation analyser — eTLD+1 sharing check

enter two URLs and analyse

the API (removed) and replacement

// REMOVED — RWS / .well-known/related-website-set / requestStorageAccessFor

// REPLACEMENT — consolidate under one eTLD+1
// All cousin properties become subdomains of a single registrable domain
// shop.example.com, cdn.shop.example.com, api.shop.example.com
// → cookies set on .shop.example.com flow to every subdomain.

see also