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57 lines
2.8 KiB
Markdown
57 lines
2.8 KiB
Markdown
# Outlier Badge
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[Türkçe](README.tr.md)
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A Firefox extension that puts an outlier score on the corner of every YouTube
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thumbnail. Score = the video's views divided by the **median** views of its
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channel's last N videos. The median is a deliberate choice: a single viral video
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would drag a mean upward and make everything else on that channel look like it
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never outperformed. Shorts are scored against the channel's Shorts, regular
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videos against regular videos, and live streams enter no pool at all. The watch
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page also gets a panel with the score's details and the channel's recent view
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distribution.
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No server, no API key, no account: the extension calls YouTube's own internal
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(InnerTube) endpoint from inside youtube.com, without session credentials. One
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request per channel, cached in `storage.local` for 24 hours by default, and cards
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are only processed once they scroll into view.
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## Trying it out
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`about:debugging#/runtime/this-firefox` → **Load Temporary Add-on** → the
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`manifest.json` in this directory. It disappears when Firefox closes.
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## Using it
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The toolbar icon opens the settings: turn badges off, skip Shorts, pick the
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baseline size (last 15/30/60/90 videos), hide scores below a threshold, set the
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cache lifetime, choose the interface language, and clear the cache. The same
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popup reports how many cards were scanned and scored in that tab, which is where
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you look first when a badge fails to appear. The interface is available in
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English and Turkish, following the browser's language by default.
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To exercise the parsing and scoring logic without opening a browser, run
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`node test/check.js` (it makes one real channel call too).
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## Known limits
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- YouTube hands out rounded view counts ("1.2M views"), so the score is an
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approximate ratio rather than an exact one.
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- Videos under 7 days old have not gathered their views yet and score lower than
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they deserve. The dot next to the badge marks them.
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- The baseline is the channel's last N videos, not its whole history. On a
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growing channel an old video scores higher than it should.
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- Members-only videos never expose their view counts, so they neither join a
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baseline nor get a score.
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- With fewer than 3 videos left in the pool no score is computed and no badge
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appears.
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- InnerTube is an unofficial interface. If YouTube renames its fields the badges
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disappear; the page itself keeps working.
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There is **no** views-over-time chart, because YouTube publishes no historical
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view data for any video. vidIQ, Social Blade and everyone else build that curve
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from snapshots they collect themselves; in a single-user extension it would take
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months to appear and only for videos you personally opened. The watch page panel
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shows the two things that work without waiting instead: where the video sits in
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its channel's distribution, and its average views per day.
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