Partition network state by the network partition key (which consists of top frame site and possibly frame site), to protect against cross-site tracking through the use of side channels. "Network State" here includes connections (H1, H2, H3, websocket), the DNS cache, ALPN/H2 support data, TLS/H3 resumption information, Reporting/NEL configuration and uploads, and Expect-CT information. Explainer: https://github.com/MattMenke2/Explainer---Partition-Network-State/blob/main/README.md
Cross-site tracking is a major privacy concern for users. This is a necessary part of addressing the problem.
Specification being incubated in a Community Group
Status in Chromium
In developer trial (Behind a flag)
Consensus & Standardization
Intent to Prototype urlIntent to Prototype thread
Last updated on 2021-04-24