AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Arts & Entertainment, Internet & Telecom, Autos & Vehicles, People & Society and 15 other categories.
CONTEXTin is leading in News & Media, Software, Products & Shopping, Reference and 2 other categories.
CONTEXTin is leading in most countries, including United States, Spain, Russia, Portugal and one other country.
AdTotal is leading in Poland.