Media Metrix Top 50 U.S. Web Sites               Netcraft “What's That Site Running?”            
9/1/99 through 9/30/99 10/26/99
Combined At Home and At Work
Rank Web Sites Unique Visitors Server Host
Total World 63,374
1 Yahoo.com 32,131 Unknown FreeBSD
2 Aol.com 28,440 NaviServer/2.0 Solaris
AOLserver/2.3.3
3 Msn.com 28,186 Microsoft-IIS/4.0 NT3 or
Windows 95
4 Netscape.com 19,623 Netscape-Enterprise/3.6 Solaris
5 Microsoft.com 19,602 Microsoft-IIS/4.0 NT3 or
Windows 95
6 Geocities.com 19,345 Unknown Solaris
7 Go.com 18,889 Unknown Solaris
8 Excite.com 14,085 Netscape-Enterprise/2.01 Solaris
9 Hotmail.com 13,648 Apache/1.3.6 (Unix) FreeBSD
mod_ssl/2.2.8 SSLeay/0.9.0b
10 Lycos.com 13,439 Netscape-Enterprise/3.6 SP2 Digital UNIX
11 Passport.com 13,006 Microsoft-IIS/4.0 NT3
Windows 95
12 Amazon.com 11,283 Netscape-Commerce/1.12 Digital UNIX
13 Angelfire.com 11,075 Apache/1.3.4 Linux
14 Tripod.com 10,315 Apache/1.3.4 Solaris
15 Real.com 10,138 This.is.a.real...1.2alpha12 Linux
16 eBay.com 9,991 Microsoft-IIS/4.0 NT4 or
Windows 98
17 AltaVista Search 9,453 AV/1.0.1 Digital UNIX
18 Bluemountainarts.com 9,155 Apache/1.3.4 FreeBSD
19 About.com 8,138 Apache/1.3.4 FreeBSD
20 Looksmart.com 8,063 Apache/1.3.4 Solaris
21 Hotbot.com 7,922 Microsoft-IIS/4.0 NT4 or
Windows 98
22 Snap.com Search 7,661 Netscape-Communications/1.12 Solaris
23 Goto.com 7,316 Netscape-Enterprise/3.0K Solaris
24 ZDNet 7,308 Netscape-Enterprise/3.6 SP2 Solaris
25 Xoom.com 7,077 Apache/1.2.5 FreeBSD