FriendFeed
53 websites

FriendFeed is free to use

http://friendfeed.com

FriendFeed aims to be a one stop shop for all your social networking updates and news items. The four founders were all team members at Google and helped to launch such products as Google Maps, Adsense, GMail and Google Groups. They've br...

VS

HitTail
668 websites

HitTail offers both free and paid options

http://www.hittail.com/

HitTail is a search intelligence product that reveals in real-time the under performing, most promising keywords hidden in the long tail of natural search results. These terms are presented as suggestions that can boost the natural search r...

Market Share by Top Websites

1 HitTail is leading in Top 1M Sites and The Entire Web.

2 In terms of market share, FriendFeed is clearly lagging behind, losing to HitTail in all segments.

Websites Categories

1 HitTail has better usage coverage in more websites categories. Including Business & Consumer Services, Computers Electronics & Technology, Community & Society, Finance and 20 other categories.

2 FriendFeed hasn't got a lead over HitTail in any websites category.

Geography

1 HitTail is leading in most countries, including United States, India, United Kingdom, Italy and 54 other countries.

2 FriendFeed is leading in Russia, Greece, Turkey, Belarus and one other country.