I was just wondering if this notice in the page speed extension from Google is worth noting?
The following resources have identical contents, but are served from different URLs. Serve these resources from a consistent URL to save 1 request(s) and 42.7KiB.
http://www.domain.com/arrowchat/external.php?type=css
http://www.domain.com/arrowchat/externa ... ebook_full
I copy pasted the code after the Arrowchat install exactly as it told me to for vBulletin.