Our detectives are back with the following intel on this WordPress site
The site is using two themes, one child and one parent. The child theme is based on the parent and often custom to the site. The parent theme is STINGERPLUS theme by ENJI .
We could identify 1 plugins (there might be more) - All in One SEO Pack
The original WordPress SEO plugin, downloaded over 50,000,000 times since 2007.