Spam indicator
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What it checks
Whether the channel's profile picture is an image someone uploaded, or one of YouTube's defaults: a letter on a coloured circle, or a grey silhouette.
The exact rule
- When a channel is checked, the checker requests its profile picture from YouTube's image server. An uploaded picture comes back marked with a version number; a default comes back without one.
- It fires (100%) when the picture is a default, and reads 0% when it is an uploaded image.
- It is N/A when the checker can't tell: no picture address, a failed request, or an answer that isn't an image. It never guesses that a channel has a picture.
- This relies on how YouTube's image server behaves, which YouTube doesn't document. It held for every picture checked by hand in September 2026.
Why it can point to spam
Setting a profile picture takes a minute. Operations that create channels by the hundred rarely spend that minute on each one, so a default picture is common on throwaway channels.
When it fires on a legitimate channel
Plenty of honest channels keep the default: personal accounts that upload the odd video, brand-new channels, and people who never opened the customisation settings. On its own this indicator says very little, which is why its weight is small.
How to change it
If you run the channel, upload a picture in YouTube Studio:
- Sign in to YouTube Studio.
- In the left menu, select Customization, then Profile.
- Under Picture, click Change and choose an image.
- Click Publish.
YouTube accepts JPG, GIF, BMP or PNG files up to 15 MB, and shows the picture at 98 × 98 pixels.