I do this for CSS and most JavaScript, except for the OpenPGP.js module, which is one order of magnitude more LOC than all my other JS templates put together.

I do this for CSS and most JavaScript, except for the OpenPGP.js module, which is one order of magnitude more LOC than all my other JS templates put together. I have found that keeping my code short and getting it all out in 1-3 HTTP request is the optimal performance strategy.