ImpressionDetail
Defined in: analytics.ts:41
Properties
Section titled “Properties”chromeMarked
Section titled “chromeMarked”chromeMarked:
boolean
Defined in: analytics.ts:49
Was adapted copy on screen (the chrome decision)? Reported so chrome state is measurable; the visible mark itself is the integrator’s opt-in.
contentSource
Section titled “contentSource”contentSource:
"generated"|"cached"|"static"|"cached-stale"
Defined in: analytics.ts:46
Where the copy the viewer saw came from. cached-stale is cached copy
served past its freshness window (still within its serving window).
degraded?
Section titled “degraded?”
optionaldegraded?:string|null
Defined in: analytics.ts:51
W8 — set when the server served a deterministic winner.
island?
Section titled “island?”
optionalisland?:string
Defined in: analytics.ts:52