Checked the 1000 most-visited sites on the web:
Rank Site Category
1 facebook.com Social Networks
2 yahoo.com Web Portals
3 live.com Search Engines
4 wikipedia.org Dictionaries & Encyclopedias
5 msn.com Web Portals
6 microsoft.com Software
7 blogspot.com Blogging Resources & Services
8 baidu.com Web Portals
9 qq.com Email & Messaging
10 mozilla.com Internet Clients & Browsers
11 sina.com.cn Web Portals
12 wordpress.com Blogging Resources & Services
13 bing.com Search Engines
14 adobe.com Programming
15 163.com Web Portals
16 taobao.com Shopping
17 soso.com Entertainment
18 twitter.com Email & Messaging
19 youku.com Video Clips & Movie Downloads
20 ask.com Search Engines
21 sohu.com Web Portals
22 amazon.com Shopping
23 windows.com Windows
24 ebay.com Auctions
25 yahoo.co.jp Web Portals
26 myspace.com Social Networks
27 apple.com Mac
28 tudou.com Photo & Video Sharing
29 conduit.com Advertising & Marketing
30 hotmail.com Email & Messaging
31 flickr.com Photo & Video Sharing
32 photobucket.com Photo & Video Sharing
33 tianya.cn Online Communities
34 about.com How-To & Expert Content
35 cnet.com Technology News
36 hao123.com Online Directories
37 iefxz.com
38 xunlei.com TV Programs
39 paypal.com Merchant Services & Payment Systems
40 rapidshare.com File Sharing & Hosting
41 go.com Web Portals
42 fc2.com Blogging Resources & Services
43 bbc.co.uk News & Current Events
44 imdb.com Movies
45 orkut.com Social Networks
46 sogou.com Web Portals
47 56.com Multimedia Content
48 aol.com Web Portals
49 craigslist.org Classifieds
50 rakuten.co.jp Shopping Portals & Search Engines
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