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https://github.com/elliotwaite/thumbnail-rating-bar-for-youtube

A Chrome and Firefox extension for YouTube that adds a rating bar (likes/dislikes ratio) to the bottom of every thumbnail.
https://github.com/elliotwaite/thumbnail-rating-bar-for-youtube

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A Chrome and Firefox extension for YouTube that adds a rating bar (likes/dislikes ratio) to the bottom of every thumbnail.

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README 

        





# Thumbnail Rating Bar for YouTube™






This extension adds a likes/dislikes rating bar to the bottom of every YouTube video thumbnail, so you can find higher quality content and avoid getting clickbaited.



## Install



Chrome Extension:


https://chrome.google.com/webstore/detail/thumbnail-rating-bar-for/cmlddjbnoehmihdmfhaacemlpgfbpoeb



Firefox Add-on:


https://addons.mozilla.org/en-US/firefox/addon/youtube-thumbnail-rating-bar/



Edge Add-on:


https://microsoftedge.microsoft.com/addons/detail/thumbnail-rating-bar-for-/mglepphnjnfcljjafdgafoipiakakbin



## The API



This extension uses the [Return YouTube

Dislike](https://returnyoutubedislike.com) API for likes/dislikes data.



If you would also like to see the likes/dislikes rating bar that used to be

available on each video page, you can also install [their

extension](https://returnyoutubedislike.com/install).



## Mobile Support



This extension also works on mobile browsers that support Chrome extensions,

such as [Kiwi Browser](https://kiwibrowser.com) for Android.  



## Rate Limiting and the Cache Duration Setting 



The Return YouTube Dislike API is rate limited by IP address, so if you notice

that some thumbnails aren't receiving rating bars, you may be getting

temporarily rate limited. If this happens, you will usually only be rate

limited for about ~15 seconds before you can start retrieving new rating data,

but you may need to refresh the page if you want to retry loading the rating

bars for the thumbnails that got rate limited.



To help prevent rate limiting, this extension uses a cache, meaning that

whenever it fetches data from the API, it will save that data and reuse it

if needed for however long the cache duration is (the default setting is 10

minutes, but this is adjustable). This helps reduce the number or API requests

that are made.



Also, the same global cache is shared across all of your browser's tabs and

windows.



## Exponential Scaling Option Explained



In the extension's settings, you can enable an option to exponentially scale the

rating bar. This makes it easier to distinguish between highly rated videos

(since most videos have a rating over 90%). You can see the difference between

the default linear scaling and the exponential scaling here:






With exponential scaling, each reduction in 10% of the rating from 100% will

half the width of the likes bar:



| Rating | Width |

|--------|-------|

|   100% |  100% |

|    90% |   50% |

|    80% |   25% |

|    70% | 12.5% |

|    ... |  etc. |



Note: If you also have the [Return YouTube Dislike

extension](https://returnyoutubedislike.com/install) installed, which adds a

rating bar to the video page, this option will affect the scaling of that

rating bar as well.



Special thanks to [Qarthak](https://github.com/Qarthak) for

[requesting this feature](https://github.com/elliotwaite/thumbnail-rating-bar-for-youtube/issues/49).



## Why Use This Extension



Using YouTube usually involves browsing through many video previews. These video previews usually contain the following:

* Thumbnail image

* Video title

* Creator’s name

* Creator’s subscriber count (sometimes)

* View count

* Short description (sometimes)

* Video length



We use this information to try to estimate the value of the content before

exploring it further. A useful indicator of the value of the content is how

valuable other viewers found it. The view count has some correlation with the

value of the content, but on its own is unreliable. By being able to also see

the video’s rating, users can much more accurately estimate the value

of the content, resulting in finding higher quality content, saving time, and

avoiding being clickbaited.



## License



[MIT](LICENSE)