SEO based plugins from Yoast.
https://yoast.com/wordpress/seo/
Widgets · WordPress Plugins
Get access to data on 22,288,669 websites that are Yoast Plugins Customers. We know of 9,211,040 live websites using Yoast Plugins and an additional 13,077,629 sites that used Yoast Plugins historically and 1,285,084 websites in the United States.
Yoast Plugins websites that are also using other technologies.
Get a list of 22,288,669 websites using Yoast Plugins which includes location information, hosting data, contact details, 9,211,040 currently live websites and an additional 1,732,600 domains that redirect to sites in this list. 13,077,629 sites that used this technology previouslyand 1,285,084 websites in the United States currently using Yoast Plugins.
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