SiteGround bot prevention CAPTCHA.
https://www.siteground.com/kb/what_is_captcha/
Content Delivery Network
Get access to data on 2,415,107 websites that are SiteGround CAPTCHA Customers. We know of 1,813,581 live websites using SiteGround CAPTCHA and an additional 601,526 sites that used SiteGround CAPTCHA historically and 1,039,403 websites in the United States.
Get a list of 2,415,107 websites using SiteGround CAPTCHA which includes location information, hosting data, contact details, 1,813,581 currently live websites and an additional 573,221 domains that redirect to sites in this list. 601,526 sites that used this technology previouslyand 1,039,403 websites in the United States currently using SiteGround CAPTCHA.
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