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This used to display ratings bar on YouTube thumbnails, but Google has blocked how it gets its data. I'm disabling it for now in case people still have it running.
< Spätná väzba na Youtube Video Ratings Bar with Power Meter (DISABLED)
On the top right corner of YouTube, click your profile icon.
At the bottom of the menu, click "Restore old YouTube".
No longer working after youtube update - 2017.08.31
No longer working after youtube update - 2017.08.31
Was working great prior