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Notas de campode uma biblioteca medida

O que os vídeos medidos nos ensinaram

Avaliamos vídeos do YouTube pelo quanto da duração realmente entrega algo. Estes são os padrões que apareceram quando já havia vídeos suficientes para contar.

Mediana de enrolação 36% início mediano da parte útil 0:47 recalculado 19 Oct 2026

  1. Relatório de dados15 de out. de 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. Relatório de dados15 de out. de 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. Artigo30 de set. de 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. Artigo30 de set. de 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. Artigo4 de set. de 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. Artigo4 de set. de 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. Artigo4 de set. de 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. Artigo1 de set. de 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. Artigo1 de set. de 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. Artigo1 de set. de 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. Relatório de dados1 de set. de 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. Relatório de dados1 de set. de 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.