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 8,816,886 websites that are Atom Customers. We know of 3,218,459 live websites using Atom and an additional 5,598,427 sites that used Atom historically and 1,622,703 websites in the United States.
Get a list of 8,816,886 websites using Atom which includes location information, hosting data, contact details, 3,218,459 currently live websites and an additional 1,678,591 domains that redirect to sites in this list. 5,598,427 sites that used this technology previously and 1,622,703 websites in the United States currently using Atom.
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