How to cheat Google’s Page Speed creating a subdomain to parallelize downloads. Fake a Content Delivery Network using your own hosting with a subdomain.
How to remove the meta generator in bbPress. Show off the bbPress version in the font code of your site. Add a remove_action in your functions.php of your theme to delete the meta generator
How to add a XML Google Sitemap to your bbPress Forum. Use this plugin and submit it to the Google WebMaster tools. Create a sitemap everytime new topic, post or update.