The State of the Octoverse: top programming languages of 2018
blog.github.com
blog.github.com
Once a measurement is used for success, it stops being a good measurement.
Javascript, namely node, has a metric ton of libraries, and you think, iseven/isodd/... so god knows how many libraries are out there, not actual projects.
I will say, that their metric about growth of the number of contributors is a much better metric for 'best language.'