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Field notesfrom a measured library

What 3,486 measured videos taught us

We score YouTube videos on how much of the runtime actually delivers. These are the patterns that showed up once there were enough of them to count.

Median padding 40% median start of the useful part 1:00 recalculated 2 Sep 2026

  1. Article26 Aug 20266 min

    How to stop wasting hours on YouTube tutorials that go nowhere

    A four-question filter to run before you press play, built from measuring how much of a typical tutorial actually delivers versus how much just restates itself.

  2. Article26 Aug 20265 min

    How to tell a good tutorial from a bad one in thirty seconds

    Six signals readable from the page before you commit any time, each tied to something we can actually measure across the library rather than a hunch.

  3. Article26 Aug 20266 min

    How to skip to the part of a YouTube video that actually matters

    Five ways to find the useful part of a video without watching the setup, ranked from the one everybody already tries to the one that works before you press play.

  4. Article26 Aug 20265 min

    How to search inside a long video without watching the whole thing

    Browser search only reaches the text on the page, not what's said. Chapters, comments, and the written record of the video each cover a different gap.

  5. Data report26 Aug 20266 min

    Runtime is a useless filter: longer videos carry less padding, not more

    Padding falls from 45% under ten minutes to 28% over an hour, and measured value rises the same way. Picking the shorter video is, on average, backwards.

  6. Article26 Aug 20265 min

    Is watching at 2x speed actually helping you learn?

    Speed compresses a video uniformly, filler and substance alike. Where doubling the speed helps, where it quietly breaks comprehension, and what it does not fix.

  7. Article26 Aug 20265 min

    How to find advanced material when everything YouTube recommends is beginner-level

    Search tricks and channel patterns that reliably surface advanced material, and why the ordinary search results skew introductory in the first place.

  8. Article26 Aug 20265 min

    How to evaluate a YouTube channel before you subscribe

    Three channel-level signals that predict whether a creator is worth following, separate from whether any single video of theirs was good.

  9. Data report26 Aug 20265 min

    Which subjects are worth your time: measured value across twenty subjects

    Science scores highest of twenty measured subjects at 66.9; travel lowest at 38.4. The same subjects also carry the least padding and the most honest titles.

  10. Data report26 Aug 20265 min

    How long is a lesson, really: runtime measured across twenty subjects

    Median runtime runs from 18:16 in history to 9:30 in productivity, nearly two to one. It has almost no relationship to which subjects score highest on value.

  11. Data report26 Aug 20265 min

    Do YouTube titles tell the truth? Honesty measured across twenty subjects

    Average title honesty is 81 out of 100, from 87 in science down to 73 in travel. The same subjects that oversell titles also carry the most padding.

  12. Data report25 Aug 20267 min

    The useful part of the median measured video starts at 1:02

    Across 3,243 measured videos the useful part starts at 1:02, and one in ten makes you wait past 3:47. Here is how that splits across twenty subjects.