Notas de campode una biblioteca medida
Lo que nos enseñaron 3,487 vídeos medidos
Puntuamos los vídeos de YouTube según cuánto de su duración realmente aporta. Estos son los patrones que aparecieron en cuanto hubo suficientes para contarlos.
Relleno mediano 40% inicio mediano de la parte útil 1:00 recalculado 4 Sep 2026
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Informe de datos26 ago 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.
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Informe de datos26 ago 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.
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Informe de datos25 ago 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.
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Informe de datos25 ago 20267 min
We measured the padding in 3,002 videos. The number has not moved.
A second padding census, on 3,002 measured videos. The median is still 40%, the library has grown by three quarters, and the distribution barely moved.
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Informe de datos25 ago 20267 min
We measured 3,243 YouTube videos. One hundred of them were advanced.
One hundred of 3,243 measured videos were pitched above intermediate. Here is which subjects have none at all, and the one signal that finds the rest.
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Informe de datos25 ago 20267 min
One in five measured videos was not worth the time it asked for
659 of 3,243 measured videos were not worth their runtime. The share runs from 5% in science to 64% in travel, and the title predicts it before you click.
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Artículo20 ago 20264 min
How to tell if a YouTube video is worth watching before you press play
Six signals you can read from the page in about twenty seconds, ranked by how well they actually predict whether the video delivers.
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Artículo19 ago 20265 min
Why YouTube videos feel three times longer than they need to be
We measured the padding in nearly two thousand videos. It is not the sponsor segment, and it is not where most people think it is.
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Artículo18 ago 20265 min
What "value density" means, and how we measure it
The three numbers Gistil puts on a video, what each one is actually claiming, and the places where they do not apply.
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Informe de datos17 ago 20267 min
We measured 1,893 YouTube videos. This is how much of them was filler.
A padding census across fifteen categories: the median video is 40% structure, and the long ones are the least padded, not the most.