The Disqus comment system replaces your WordPress comment system with your comments hosted and powered by Disqus.
https://wordpress.org/plugins/disqus-comment-system/
Widgets · WordPress Plugins
Get access to data on 385,236 websites that are Disqus Comment System for WordPress Customers. We know of 94,547 live websites using Disqus Comment System for WordPress and an additional 290,689 sites that used Disqus Comment System for WordPress historically and 55,030 websites in the United States.
Get a list of 385,236 websites using Disqus Comment System for WordPress which includes location information, hosting data, contact details, 94,547 currently live websites and an additional 152,129 domains that redirect to sites in this list. 290,689 sites that used this technology previously and 55,030 websites in the United States currently using Disqus Comment System for WordPress.