Webstatistics site, log clientside (javascript)? or serverside?

I an beginning an web application to log web-statistics (web requests, pageviews, etc) for my customers. Today more and more people are using ajax. So my question is, what is the best way to log an user visit. in javascript? or serverside? and then, what do i need to log? the page title? or the absolute url? or开发者_StackOverflow中文版 need customers choose their own pagenames?

anybody some advice?

thanks in advance.

If you have access to the code in your client's pages, you could use Google Analytics.

It's pretty complete but of course is not a custom solution some clients may want.