demo · v135

Is this page origin-keyed?

Chrome 135 turns on origin-keyed agent clusters more often by default. The probe below reads window.originAgentCluster and shows what your current document is, plus the response header you'd send to opt-in deliberately.

originAgentCluster: ?

this document

—

site-keyed (default historic)

false

document.domain still mutable
same Agent Cluster shared with sub-domains

the code

HTTP/1.1 200 OK
Content-Type: text/html
Origin-Agent-Cluster: ?1     // opt in
Origin-Agent-Cluster: ?0     // opt out

window.originAgentCluster    // true / false

scenario focus

Select a scenario to focus its rendered example and summary.

this document

site-keyed (default historic)

the code

see also

scenario focus