Configuring Site Extras in RVSiteBuilder
http://www.xenmediahosting.com/rvsitebuilder-tutorials/

• Log in to RVSiteBuilder.
• Go to Step 6 Extras option. You will see the Extras main page, where you can configure the Titles, meta tags, page effects and file names.
• You can configure the page titles by clicking on the page title link. Click on Edit icon next to page title you want to edit. Click on Save button.
• Click on Meta tags. Give keyword and description. Click on Save button.
• You can edit meta tag information by clicking on Edit icon next to keyword and description.

http://youtu.be/xmcSmzAKwDc