BROWSER REFERENCE LAB / 01

Measure first.
Keep what is ordinary.

Compare browser profiles with the same probe. Shared values are observations, not failures. There is no human score.

Capture a reference

Product Test profile label Session

Open second test siteReady. No permission prompts are requested.

Captures stay in this browser profile. Export JSON to compare different profiles. The host receives normal page requests; there is no capture-upload endpoint or public results database. No third-party analytics, fingerprint, IP or STUN services are called.

Compare captures 0

Import JSON

Same session: capture three times. Then restart the profile, repeat, and visit the second site. Import exports from the other profiles here. This compares observed outputs, not global uniqueness.

Signal family	Usually shared by	Across captures
Run or import a capture to begin.