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, Health and 82 other categories.
TheWhizMarketing is leading in Industrial Goods & Services, Graphics & Multimedia Tools, Web Hosting, Government and 6 other categories.
TheWhizMarketing is leading in most countries, including Brazil, Germany, India, Russia and 24 other countries.
Vocus is leading in United States, United Kingdom, Canada, Ukraine and 13 other countries.