Atom Syndication Format is an XML language used for web feeds very similar to RSS.
https://en.wikipedia.org/wiki/Atom_%28standard%29
Syndication Techniques
Get access to data on 9,343,572 websites that are Atom Customers. We know of 2,653,995 live websites using Atom and an additional 6,689,577 sites that used Atom historically and 1,238,170 websites in the United States.
Get a list of 9,343,572 websites using Atom which includes location information, hosting data, contact details, 2,653,995 currently live websites and an additional 1,873,870 domains that redirect to sites in this list. 6,689,577 sites that used this technology previouslyand 1,238,170 websites in the United States currently using Atom.
Countries
Financial
Group
Region