Our detectives are back with the following intel on this WordPress site
The site is using the W4 theme by Wonderfour Webbyrå Stockholm .
We could identify 2 plugins (there might be more) - Translate WordPress – Google Language Translator and W3 Total Cache
Translate WordPress with Google Language Translator multilanguage plugin which allows to insert Google Translate widget…
Search Engine (SEO) & Performance Optimization (WPO) via caching. Integrated caching: CDN, Page, Minify, Object, Fragment, Database support.