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Notes de terraind'une bibliothèque mesurée

Ce que les vidéos mesurées nous ont appris

Nous notons les vidéos YouTube selon la part de leur durée qui apporte réellement quelque chose. Voici les tendances qui sont apparues une fois qu'il y en avait assez pour compter.

Remplissage médian 36% début médian de la partie utile 0:47 recalculé 19 Oct 2026

  1. Rapport de données15 oct. 202612 min

    How much of a YouTube video is actually worth watching? We measured, minute by minute

    We scored every minute of a library of learning videos. The median video earns 57% of its runtime, the first and last tenth earn least, and the title predicts a skip.

  2. Rapport de données15 oct. 20268 min

    The best YouTube channels for learning, by subject: measured video by video (2026)

    The top three educational YouTube channels in each of 16 subjects, ranked by the median score of their measured videos, and why even the best channels are not gold every time.

  3. Article30 sept. 20265 min

    Gistil vs Eightify: a verdict before you watch, or a summary instead of watching

    Eightify summarizes YouTube videos. Gistil tells you whether one is worth your time, then plays only the useful parts. An honest side-by-side for 2026.

  4. Article30 sept. 202610 min

    The best AI YouTube summarizers in 2026: eleven tools compared

    Eleven AI video summarizers and YouTube tools compared on 15 October 2026: what each outputs, which tell you if a video is worth watching, prices, and accuracy.

  5. Article4 sept. 20266 min

    How to Know If a YouTube Video Is Worth Watching Before You Watch It

    Learn how to decide whether a YouTube video is worth watching before you spend 20, 45, or 90 minutes on it.

  6. Article4 sept. 20269 min

    How to Learn From YouTube: Study With Videos Worth Your Time

    How to learn from YouTube without passive watching: pick videos worth your time, start at the useful part, and turn watching into progress toward a goal.

  7. Article4 sept. 20266 min

    How to Stop Wasting Time on YouTube and Watch Videos More Efficiently

    Stop wasting time on YouTube with a simple system for choosing better videos, avoiding recommendation loops, finding key ideas faster, and watching more efficiently.

  8. Article1 sept. 20265 min

    Why a summary of a long video reads so well and helps so little

    A summary is a compression, and the things it loses are the things that made the video worth watching. Four failure modes, and the one job summaries are genuinely good at.

  9. Article1 sept. 20265 min

    What Gistil shows you on a YouTube page, and why each part is there

    A verdict, three numbers, and the receipts behind them — shown next to the video before you press play. Here is every part of the panel and what it is claiming.

  10. Article1 sept. 20265 min

    A tutorial from three years ago may not work any more. How to check before you start

    Six minutes into a tutorial the button it names is gone. Here is how to tell which old tutorials are safe, which are not, and why the date is the wrong thing to check first.

  11. Rapport de données1 sept. 20266 min

    The eight-minute pile-up: where runtimes cluster, and what it costs

    Runtimes pile up the moment a video passes eight minutes. The pile is real and easy to see. The penalty everyone assumes comes with it is not.

  12. Rapport de données1 sept. 20266 min

    Sponsor reads take 1.6% of the runtime. Padding takes 40%.

    One in five measured videos carries a sponsor read, and it runs about sixty-seven seconds. The thing that actually spends your time is somewhere else entirely.