For jQuery, maybe. But if you're using, say, Backbone, that point is moot because only CDNJS has it. The Google CDN[1] only hosts 11 libraries, CDNJS hosts over

For jQuery, maybe. But if you're using, say, Backbone, that point is moot because only CDNJS has it. The Google CDN[1] only hosts 11 libraries, CDNJS hosts over 200. 1. https://developers.google.com/speed/libraries/devguide https://developers.google.com/speed/libraries/devguide