TheWhizMarketing is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vocus has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, News & Media and 83 other categories.
TheWhizMarketing is leading in Newspapers, Winter Sports, Cycling & Biking, Ethnic & Regional and 4 other categories.
Vocus is leading in most countries, including United States, India, United Kingdom, France and 33 other countries.
TheWhizMarketing is leading in Russia, Germany, Brazil, Italy and 19 other countries.