Imonomy 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 76 other categories.
Imonomy is leading in News & Media, Computer & Electronics, Technology News, Software and 22 other categories.
Imonomy is leading in most countries, including France, Ukraine, Mexico, Brazil and 32 other countries.
Vocus is leading in United States, United Kingdom, Canada, China and 19 other countries.