The popularity rating of useragent explained

Github Repository Rubygem
The highest rated repository is rails/rails with 20812 watchers and 7365 forks, resulting in a Github score of 100.00 The highest rated Rubygem is rake with 45697798 total downloads
These are the references for the score, marking the popularity of 100%
Now, the repository for useragent over at josh/useragent has got 352 watchers and 117 forks, resulting in a Github score of 1.63 Now, the gem useragent has got 704722 total downloads
Therefore, the relative popularity percentage can be calculated for useragent
1.63 watchers & forks * 100% = 1.63%
100.00 top score
704722 total downloads * 100% = 1.54%
45697798 top score
The average of those two values results in the score:


So, assuming everyone is using the most popular projects,
roughly one out of 50 Rubyists use useragent

In order to continue, you must be signed in using your Github account.

If you're signing in using this account for the first time Github will ask for your permission to give access to your public user data to the Ruby Toolbox.

Although the Github Authorization page does not mention it, the request includes read-only access to your verified email address (user:email OAuth scope). This is neccessary so there's a way to notify you about comments, information about your accepted project edits and the like. You can review your notification settings on your account page once you're signed in.