Premium version of the Yoast WordPress Plugin.
https://yoast.com/wordpress/plugins/seo-premium/
Widgets · WordPress Plugins
Get access to data on 19,798,436 websites that are Yoast SEO Premium Customers. We know of 11,192,294 live websites using Yoast SEO Premium and an additional 8,606,142 sites that used Yoast SEO Premium historically and 1,494,680 websites in the United States.
Yoast SEO Premium websites that are also using other technologies.
Get a list of 19,798,436 websites using Yoast SEO Premium which includes location information, hosting data, contact details, 11,192,294 currently live websites and an additional 1,600,382 domains that redirect to sites in this list. 8,606,142 sites that used this technology previously and 1,494,680 websites in the United States currently using Yoast SEO Premium.
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