Each website in Similarweb is categorized based on the Similarweb categorization engine - and a few awesome interns. Our code assigns a category for any website using content tags, similarity results, and a learning set of millions of websites that have verified category assignments.
Our engine can accurately classify an unknown website into one of 25 main categories and 219 sub-categories. You can see the full list here.
Do you track domains ending in .page?
Similarweb does not track domains ending in .page.