AdTotal is leading in Top 10K Sites and Top 100K Sites.
CONTEXTin has better usage coverage in more websites categories. Including Computer & Electronics, Software, Arts & Entertainment, Health and 25 other categories.
AdTotal is leading in Business & Industry, Sports, Soccer, Internet & Telecom and 15 other categories.
CONTEXTin is leading in most countries, including United States, Brazil, Spain, Canada and 7 other countries.
AdTotal is leading in Poland, United Kingdom, Ukraine, Turkey and 3 other countries.