Our detectives are back with the following intel on this WordPress site
The site is using the pinthis theme by PixelBeautify .
We could identify 2 plugins (there might be more) -
Popular Post Widget
This information was last updated 13 July, 2017
Best Pinterest Style Wordpress Theme
Popular post widget is a simple widget to show your most popular posts based on views.
Adds a user-friendly multilingual dynamic content management.