The ratings on Goodreads are problematic in that they do not represent the entire possible spectrum from 1 to 5, but are heavily clustered around the 4.0 mark. This plugin moves every average rating into a new percentile between 0 and 10.

Goodratings: Improve Goodreads Ratings
Goodratings is a Firefox add-on that solves the problem of heavily clustered ratings on Goodreads. It moves every average rating into a new percentile between 0 and 10, providing a more accurate representation of book ratings.
Add-on stats
Full description: See detailed description
Source: Firefox Browser Add-ons
Add-on safety
Risk impact
Goodratings requires very minimum permissions.
Risk impact analysis details
- High Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- Low ******* ****** ** *** ********* ******** *************
Risk likelihood
Goodratings has earned a fairly good reputation and likely can be trusted.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
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