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 83 other categories.
FriendFeed is leading in People & Society, Arts & Entertainment, News & Media, Internet & Telecom and 47 other categories.
ClickDimensions is leading in most countries, including United States, United Kingdom, Australia, Canada and 68 other countries.
FriendFeed is leading in Russia, Turkey, Indonesia, Kazakhstan and 15 other countries.