using a minifed version of the code is much faster than the packed one – even though its file size is quite larger.
The iPhone cache experiment suggests an additional performance rule specific for developing web sites for the iPhone: Reduce the size of each component to 25 Kbytes or less for optimal caching behavior.
Performance Research, Part 5: iPhone Cacheability – Making it Stick
잘게 자르는 것도 요령이 필요하군.