Category
Media & Entertainment
Charts, ratings, and audience measurement systems — how music charts, film and TV ratings, and review aggregation models decide what ranks where.
- Billboard Hot 100 — How the Chart Methodology Works How the Billboard Hot 100 ranks songs: the streaming/sales/airplay blend, Luminate tracking week, recurrent rules, and criticisms of the multi-metric formula.
- IMDb Rating System — How Titles Are Ranked How IMDb ratings work: the 1–10 user vote, weighted averages, Top 250 minimum-vote thresholds, ballot-stuffing defenses, and known limitations.
- Metacritic Metascore — How Review Aggregation Works How the Metacritic Metascore works: converting critic reviews to 0–100, weighted averaging with critic weights, color bands, and opacity criticisms.
- Nielsen TV Ratings — How the Methodology Works How Nielsen TV ratings work: household panels, people meters, ratings vs share, demographic estimates, C3/C7 commercial metrics, and streaming-era changes.
- Rotten Tomatoes Scoring System — How the Tomatometer Works How Rotten Tomatoes ranks films: the binary fresh/rotten read, the Tomatometer percentage, Certified Fresh thresholds, audience score, and criticisms.