Session contribution

The amount of total session time a single video contributes to viewers.

Session contribution measures how much time a video adds to a viewer's overall session, including videos watched after.

Videos with high session contribution typically earn outsized recommendation lift.

It is one of the metrics not directly exposed in YouTube Studio but visible via session reports.

Why it matters

Session contribution is the metric YouTube optimizes for most. Optimizing toward it directly is the most aligned creator strategy available.

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Paste any YouTube, Shorts or TikTok link and our analyzer will surface the metric, the curve, and the move that lifts it next.

Total time a viewer spends on the platform after starting with your video.

The continuous block of watch time a viewer spends on the platform after starting a video.

The percentage of viewers who click an end-screen element.

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