Our detectives are back with the following intel on this WordPress site
The site is using the Slots Online theme .
We could identify 3 plugins (there might be more) -
Google XML Sitemaps
WP Responsive Menu
This information was last updated 22 March, 2019
A semantic HTML/CSS framework base theme for WordPress Developers ported from Twitter Bootstrap
This plugin will improve SEO by helping search enginess better index your site using sitemaps.
Adds a more advanced paging navigation interface.
WP Responsive Menu turns your WordPress menu to a highly customizable sliding responsive menu.