Click dwell time (continuous) — a positive ranking signal
Predicted time spent AFTER clicking into the post. Clickbait that gets the open but not the stay leaks value here.
Last public weight: none — this head first appeared publicly in the 2026 release; no weight value has ever been published.
2026 weight: withheld — all current weights live in an
unpublished params module. The weights story →
What actually moves it
The inside of the thread has to be as good as the hook. Open-then-bounce is modeled.
Where it sits in the formula
Phoenix (a Grok-1-architecture transformer, phoenix/README.md)
predicts P(cont_click_dwell_time) per viewer from that viewer’s own
engagement history — not from your post’s running like-count. The prediction is
multiplied by its weight and summed with the other 21 terms, then the
author-diversity decay and
out-of-network multiplier apply.
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