Most CSS Frameworks require jQuery. Most designers are familiar w/ jQuery. If you use CDN, some other app likely downloaded jQuery already. People that are not

Most CSS Frameworks require jQuery. Most designers are familiar w/ jQuery. If you use CDN, some other app likely downloaded jQuery already. People that are not fans of jQuery are people that are are only familiar w/ MVC on client side and are not using APIs (ex: Parse, Kinvey, etc.)