Find the signal before you change the workflow.

Compare two video outcomes across the reach-to-return chain. The ledger turns supplied observations into watch-hour math and a review priority, without pretending to see live YouTube telemetry.

math.js loading

Performance ledger

Use your own pair or start with the worked sample.

video a

Impressions CTR % Avg view min Retention % Returning % Suggested % Repurposed assets

video b

Impressions CTR % Avg view min Retention % Returning % Suggested % Repurposed assets

All calculations stay in this browser.

Signal readout

Derived values appear before export.

Run the ledger to reveal the comparison.

Impression

Click

Watch

Return

Repurpose

Aggregate views0

Aggregate watch time0 h

Repurposed assets0

Average asset yield0

Leading record-

First review area-

Evidence boundary-

Video	Views	Watch hours	CTR	Retention

Use this carefully. These are supplied observations, not live YouTube data, universal thresholds, or proof that one signal caused another. Review the underlying packaging, edit, audience, and distribution evidence before changing the workflow.