I used to do a language popularity thing, langpop. One of the takeaways is that there are different metrics and none of them is perfect. So I grabbed what I c

I used to do a language popularity thing, langpop. One of the takeaways is that there are different metrics and none of them is perfect. So I grabbed what I could, combined them, and even had a JS thing where you could weight them differently. Stuff I looked at: raw search, source code, books, job advertisements.