CTRLoop

What it does

Stop guessing what makes people click. CTRLoop is the first intelligent thumbnail A/B tester built for the 2026 YouTube algorithm. While other tools just swap images, we use Bayesian probability and a proprietary Traffic Density Engine to detect winners with confidence—even with YouTube's reporting lags. ✅ Auto-Rotation: Set it and forget it. ✅ Smart Windows: Adaptive testing based on view velocity. ✅ Real Data: Direct YouTube API integration. Stop losing views to bad CTR. Let the data decide.

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  Thumbnail Test2023 · ▲288

  A/B test your thumbnails & titles live on YouTube

• CF
  CTRL-F for YouTube Videos2024 · github.com · ▲137

  This is a small project i made years ago and updated to whisper last year, i still use it from time to time and thought it might be useful to others, or just put the idea out there for someone better than me to make a better implementation!

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