How title/thumbnail eras and per-format outcomes have read so far on this channel. Observations, not prescriptions.

Title and thumbnail eras

Every video that has at least one title or thumbnail division on file. Each era's weighted click rate and average view duration sit next to its sibling eras' numbers. Observation only — comparing two eras on the same video carries the channel's own audience and traffic mix as the control, not a population claim.

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  title

  Era	Days	Views	Weighted CTR	Avg watch
  #1	12	1	0.0%	512s
  #2	5	0	0.0%	—

Duration cohort

Videos grouped by duration bucket. Each row shows the bucket's median lifetime click rate, median retention, and median day-7 views. Observation, not prescription — the sample sizes are small enough that a single outlier shifts a bucket's median, so the strong-bucket reading is a hedge, not a recommendation.