This Laravel 4 package provides a very simple and easy to use asset pipeline. It was heavily inspired by the Rails asset pipeline. We make use of the wonderful Assetic package to help with pre-compliation!
To improve the efficiency of refreshing assets, the Last-Modified header should be sent back with the asset. Here is the gist from Pingdom:
The following resources are missing a cache validator.
Resources that do not specify a cache validator cannot be refreshed efficiently.
Specify a Last-Modified or ETag header to enable cache validation for the following resources.
To improve the efficiency of refreshing assets, the Last-Modified header should be sent back with the asset. Here is the gist from Pingdom: