TOP 40 SUBDOMAINS OF GOOGLE

Rank	Subdomain	Description	Unique Visitors
1	www.google.com	Web Search	126,269,804
2	images.google.com	Image Search	43,023,240
3	maps.google.com	Google Maps	36,914,680
4	mail.google.com	Gmail Google Mail	24,895,354
5	news.google.com	Google News	13,356,758
6	video.google.com	Google Video	10,204,587
7	books.google.com	Google Books	7,927,748
8	clients1.google.com		6,706,051
9	picasaweb.google.com	Picasa Web Albums	5,298,616
10	groups.google.com	Google Groups	4,635,581
11	suggestqueries.google.com	Google Suggest	3,474,637
12	docs.google.com	Google Docs	3,350,849
13	translate.google.com	Google Translate	2,894,445
14	earth.google.com	Google Earth	2,569,757
15	spreadsheets.google.com	Google Spreadsheets	2,528,648
16	scholar.google.com	Google Scholar	1,959,375
17	ap.google.com	Associated Press	1,889,635
18	finance.google.com	Google Finance	1,858,152
19	toolbar.google.com	Google Toolbar	1,767,647
20	partnerpage.google.com	Google Start Page	1,764,685
21	video-stats.video.google.com		1,623,872
22	pack.google.com	Google Pack	1,507,250
23	adwords.google.com	Google AdWords	1,412,911
24	answers.google.com	Google Answers	1,277,980
25	checkout.google.com	Google Checkout	1,239,261
26	sites.google.com	Google Sites	1,237,010
27	blogsearch.google.com	Google Blog Search	1,229,263
28	code.google.com	Hosted Code Libraries	1,049,731
29	picasa.google.com	Picasa Software	978,392
30	dl.google.com	Google Downloads	973,467
31	feedproxy.google.com	FeedBurner	959,884
32	desktop.google.com	Google Desktop Search	951,090
33	services.google.com		635,560
34	talkgadget.google.com	Googel Talk Gadget	506,306
35	fusion.google.com	Google IG Subscribe	496,913
36	clients.google.com		470,176
37	gmail.google.com	Gmail	443,869
38	l.google.com		431,403
39	afp.google.com	Agence France Presse	412,095
40	sketchup.google.com	google sketchup	411,761