Microsoft adCenter Conversion is leading in Top 1M Sites.
Microsoft adCenter Conversion has better usage coverage in more websites categories. Including Business & Industry, Shopping, Health, Computer & Electronics and 92 other categories.
ViralBuzzer is leading in Humor.
Microsoft adCenter Conversion is leading in most countries, including United States, United Kingdom, France, Canada and 26 other countries.
ViralBuzzer is leading in Slovenia, Serbia and Romania.