http://www.tiobe.com/index.php/content/paperinfo/tpci/index....
https://sites.google.com/site/pydatalog/pypl/PyPL-PopularitY...
And ASP doesn't make the list, presumably because it is a framework rather than a language per se -- both C# and Visual Basic make the list, but that's not really a good indicator. I don't really know anything about the Microsoft stack, and I don't know anybody who does.
To clarify: I'm not denying ASP is popular, I'm just asking if you know of a good metric to gauge its relative popularity. Apparently Github wouldn't be a good indicator either?