AdServerPub is leading in Top 100K Sites and Top 1M Sites.
AdServerPub has better usage coverage in more websites categories. Including Arts & Entertainment, Shopping, Internet & Telecom, People & Society and 67 other categories.
ViralBuzzer hasn't got a lead over AdServerPub in any websites category.
AdServerPub is leading in most countries, including France, Germany, Switzerland, Morocco and 43 other countries.
ViralBuzzer is leading in Poland.