GISTIL Se connecter

Notes de terraind'une bibliothèque mesurée

Ce que 3,487 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 40% début médian de la partie utile 1:00 recalculé 4 Sep 2026

  1. 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.

  2. Article4 sept. 20267 min

    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. 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.

  4. 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.

  5. 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.

  6. 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.

  7. 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.

  8. 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.

  9. Article1 sept. 20266 min

    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. Rapport de données1 sept. 20266 min

    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. Rapport de données1 sept. 20266 min

    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. Article1 sept. 20264 min

    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.