Formerly Google+ Comments for WordPress makes the comment section tabbed seamlessly.
https://wordpress.org/plugins/gplus-comments/
Widgets · WordPress Plugins
Get access to data on 3,163 websites that are Comments Evolved for WordPress Customers. We know of 993 live websites using Comments Evolved for WordPress and an additional 2,170 sites that used Comments Evolved for WordPress historically and 398 websites in the United States.
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Get a list of 3,163 websites using Comments Evolved for WordPress which includes location information, hosting data, contact details, 993 currently live websites and an additional 270 domains that redirect to sites in this list. 2,170 sites that used this technology previouslyand 398 websites in the United States currently using Comments Evolved for WordPress.
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