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Польові нотаткиз виміряної бібліотеки

Чого нас навчили 3,487 виміряних відео

Ми оцінюємо відео на YouTube за тим, скільки хронометражу справді щось дає. Це закономірності, які проявилися, коли відео стало достатньо, щоб рахувати.

Медіана води 40% медіанний початок корисної частини 1:00 перераховано 4 Sep 2026

  1. Стаття4 вер. 20266 хв

    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.

  2. Стаття4 вер. 20267 хв

    How to Study Effectively With YouTube and Learn Faster From Videos

    Learn how to study effectively with YouTube, avoid passive watching, find the most useful ideas faster, and turn videos into a focused learning workflow.

  3. Стаття4 вер. 20266 хв

    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.

  4. Стаття1 вер. 20265 хв

    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.

  5. Стаття1 вер. 20265 хв

    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.

  6. Стаття1 вер. 20265 хв

    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.

  7. Звіт із даними1 вер. 20266 хв

    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.

  8. Звіт із даними1 вер. 20266 хв

    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.

  9. Стаття1 вер. 20266 хв

    Where our numbers come from, and where they do not apply

    Nine places where the measurements on this site stop being trustworthy, written down in one page so they do not have to be rediscovered one argument at a time.

  10. Звіт із даними1 вер. 20266 хв

    Shelf life: how long the material in a video stays true, by subject

    Measured shelf life runs from 84.8 in science to 37.9 in tech news — a 47-point gap. Runtime does not predict it and neither does difficulty. Subject does.

  11. Звіт із даними1 вер. 20266 хв

    Does a longer video teach you more? We checked, and the answer is yes

    Measured depth rises by 31 points from the shortest videos to the longest, holds inside every subject we can test, and buys less usefulness than you would expect.

  12. Стаття1 вер. 20264 хв

    Do you need an account to use Gistil? Mostly, no

    Reading a measurement we already have takes no account. Asking for a video nobody has measured yet does. Here is exactly where the line sits, and why it is there.