Engage-Through Attribution
Engage-through is a Meta attribution bucket added March 3, 2026 that credits a 1-day conversion after ad engagement (a 5-second video view) without a click.
Updated July 2026.
Engage-through attribution is a Meta attribution bucket introduced March 3, 2026. It credits a conversion when someone engaged with (but did not click) an ad — for video, after a 5-second view — within a 1-day window.
What changed on March 3, 2026?
Two things. Click-through attribution now requires an actual link click, and Meta added the new 1-day engage-through bucket, lowering the video engagement threshold from 10 seconds to 5. One-day view-through attribution itself is unchanged.
What is the new default window?
| Bucket | Window |
|---|---|
| Click | 7-day |
| Engage-through | 1-day |
| View | 1-day |
Source: Meta attribution changes, 2026. In January 2026, Meta also removed 7- and 28-day view windows from the Insights API.
The Ad Spend
Use Engage-Through Attribution as shared language for account reviews—not as an isolated dashboard label. The Ad Spend keeps the operating record around changes, timing, and decisions, giving analysts cleaner context when they interpret what a test or model is actually measuring. See History.