Our detectives are back with the following intel on this WordPress site
The site is using the Nexus theme by Elegant Themes .
We could identify 3 plugins (there might be more) - Contact Form 7 , Custom Sidebars – Dynamic Sidebar Widget Area Manager and Google XML Sitemaps
Flexible sidebars for custom widget configurations on any page or post. Create custom sidebars with ease!
This plugin will improve SEO by helping search enginess better index your site using sitemaps.