Our detectives are back with the following intel on this WordPress site
The site is using the viversano theme by tagDiv .
We could identify 7 plugins (there might be more) - Append Link on Copy , Better WordPress Google XML Sitemaps (support Sitemap Index, Multi-site and Google News) , Contact Form 7 , js_composer , si-captcha-for-wordpress , W3 Total Cache and Yoast SEO
A WordPress XML Sitemap plugin that comes with support for Sitemap Index, Multi-site and Google News sitemap. Image sitemap is supported, too.