Ooh, that's interesting. The way it was described made me think that you needed some JS to check if the data was in cache or not. I guess it's probably a bad i

Ooh, that's interesting. The way it was described made me think that you needed some JS to check if the data was in cache or not. I guess it's probably a bad idea to let the browser send this type of potentially unique info to the server by default, but I understand how it makes sense from a performance perspective. As far as I'm concerned privacy should always trump performance, but I realize that not everybody shares this point of view.