Our detectives are back with the following intel on this WordPress site
The site is using the SmartMag theme by ThemeSphere .
We could identify 3 plugins (there might be more) - Contact Form 7 , Perfect Images + Retina and WP Super Cache
Retina, Replace Images, Regenerate Thumbnails, Image Sizes Management, Image Threshold and more.
A very fast caching engine for WordPress that produces static html files.