50states

50states.com publishes state-by-state reference information covering state capitals, abbreviations, birds, flags, flowers, mottos, newspapers, nicknames, quarters, seals, songs and trees, along with population by state, famous people, fun facts and trivia, current events, and sports teams. It also lists city guides, white and yellow pages, area codes and zip codes, colleges and universities by field such as business, nursing, art and design, engineering and healthcare, plus interactive maps and quizzes on capitals, state facts, nicknames and trees.

The site sells a Medium rectangle ad spot priced per impression through an auction model in US dollars, sold via Ezoic Inc., and its ads.txt file lists 42 ad system lines, with 37 direct and 20 reseller entries.