tedster - 8:38 pm on Sep 23, 2006 (gmt 0)

What statistic, exactly, are you looking at when you talk about traffic -- is it unique IPs, search engine traffic, page views, or some other metric? It makes a big difference in coming up with ideas of things to check.

For instance, if your page views are down and your site's navigation depends on server-side scripting in some places, then something may be configured differently on the new server causing your cgi related links to break.

Also, does the new server use a different analysis package, or log things differently in any way? You may not be measuring the exact same things, if that's the case.