It appears that IPB doesn't GZIP the JavaScript files. Is this something I can activate in the settings, or does this need to be added to the feature requests?
Here's PageSpeed's output: * Compressing /forums/public/min/index.php?g=js could save ~106.3kB.
* Compressing index.php?charset=iso-8859-1&f=public/js/ipb.j... could save ~42.1kB.