CONTENT POSTMORTEM Release ID / version / publish time / measurement timezone: Original audience, promise and hypothesis: Actual title/thumbnail/content treatment and changes with timestamps: Comparison cohort and reason it is comparable: Fixed age window (e.g. first seven complete days) and data cutoff: Views / watch time / duration / traffic mix / audience segments / relevant business events: Known missing or delayed data: What the video actually does at consequential moments: Audience comments that challenge or explain the data (not assumed representative): Observation: Possible explanations and competing explanation: What cannot be concluded: Decision (repeat, revise, investigate, stop): One next test / owner / date / expected evidence: Production and review costs or blockers, only if measured: Follow-up review date and stopping condition: