Our detectives are back with the following intel on this WordPress site
The site is using the Angrybirds.com theme by Evermade Oy .
We could identify 2 plugins (there might be more) -
W3 Total Cache
This information was last updated 24 March, 2017
Theme for Rovio's Angrybirds.com by Evermade.
Search Engine (SEO) & Performance Optimization (WPO) via caching. Integrated caching: CDN, Minify, Page, Object, Fragment, Database support.
Improve your WordPress SEO: Write better content and have a fully optimized WordPress site using the Yoast SEO plugin.