Yup. Once you have harder problems, you need harder solutions and you'll want to create a layered build with one cacheable file for common things used everywher

Yup. Once you have harder problems, you need harder solutions and you'll want to create a layered build with one cacheable file for common things used everywhere and then one separate file for each page's specific things. RequireJS and other front-end build tools are good at this: http://requirejs.org/docs/1.0/docs/faq-optimization.html http://requirejs.org/docs/1.0/docs/faq-optimization.html