selectivizr is a JavaScript utility that emulates CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8.
https://selectivizr.com/
JavaScript Libraries and Functions · Compatibility
Get access to data on 1,726,377 websites that are selectivizr Customers. We know of 258,222 live websites using selectivizr and an additional 1,468,155 sites that used selectivizr historically and 112,075 websites in the United States.
Get a list of 1,726,377 websites using selectivizr which includes location information, hosting data, contact details, 258,222 currently live websites and an additional 196,080 domains that redirect to sites in this list. 1,468,155 sites that used this technology previouslyand 112,075 websites in the United States currently using selectivizr.
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