ClickDimensions is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
ClickDimensions has better usage coverage in more websites categories. Including Business & Industry, Computer & Electronics, Software, Health and 92 other categories.
FriendFeed is leading in People & Society, Arts & Entertainment, News & Media, Internet & Telecom and 49 other categories.
ClickDimensions is leading in most countries, including United States, United Kingdom, Canada, Australia and 68 other countries.
FriendFeed is leading in Russia, Turkey, Japan, Ukraine and 16 other countries.