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Survey Data Mining: Home | FAQ | Archive | Glossary |
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Web server surveys have been around for a long time. One of the problems with running a survey is how to produce meaningful results given the number of choices with the collection and reporting methodologies. Some examples:
This particular report addresses this in part by counting unique IP addresses in an attempt at answering the question of how many installations of a particular server might exist. By using the IP address as a proxy for the physical hardware on which a server is running, we still need to be aware that it is not a perfect 1 to 1 mapping:
While not a perfect solution, we feel that counting web servers by IP will give a much closer view of the number of server installs for a given technology.
Click any server to see detailed graphs and histories.
Server | November 1999 Count |
November 1999 % |
October 1999 Count |
October 1999 % |
Growth % |
Apache | 514,043 | 45.32 | 498,613 | 45.09 | 0.53 |
Microsoft-IIS | 338,927 | 29.88 | 327,917 | 29.65 | 0.78 |
Netscape-Enterprise | 47,089 | 4.15 | 46,473 | 4.20 | -1.20 |
thttpd | 46,865 | 4.13 | 45,476 | 4.11 | 0.49 |
Rapidsite | 32,160 | 2.84 | 30,965 | 2.80 | 1.27 |
null | 19,431 | 1.71 | 17,484 | 1.58 | 8.37 |
WebSitePro | 15,633 | 1.38 | 16,058 | 1.45 | -5.07 |
NCSA | 12,426 | 1.10 | 13,647 | 1.23 | -11.22 |
Stronghold | 11,575 | 1.02 | 11,826 | 1.07 | -4.56 |
WebSTAR | 8,946 | 0.79 | 8,881 | 0.80 | -1.78 |
Netscape-FastTrack | 8,621 | 0.76 | 8,796 | 0.80 | -4.43 |
Lotus-Domino | 8,384 | 0.74 | 8,088 | 0.73 | 1.08 |
WN | 6,698 | 0.59 | 6,741 | 0.61 | -3.11 |
BESTWWWD | 6,328 | 0.56 | 6,523 | 0.59 | -5.41 |
Netscape-Communications | 4,412 | 0.39 | 4,885 | 0.44 | -11.93 |
CERN | 3,922 | 0.35 | 4,208 | 0.38 | -9.12 |
Netscape-Commerce | 3,584 | 0.32 | 4,022 | 0.36 | -13.11 |
Roxen·Challenger | 3,014 | 0.27 | 2,933 | 0.27 | 0.20 |
Apache-1.3.4 | 2,285 | 0.20 | 2,249 | 0.20 | -0.93 |
Zeus | 2,192 | 0.19 | 2,008 | 0.18 | 6.44 |
Red | 2,004 | 0.18 | 1,902 | 0.17 | 2.74 |
Novell-HTTP-Server | 1,894 | 0.17 | 1,930 | 0.17 | -4.31 |
WebSite | 1,582 | 0.14 | 1,714 | 0.15 | -10.00 |
mod_perl | 1,437 | 0.13 | 1,189 | 0.11 | 17.85 |
AppleShareIP | 1,056 | 0.09 | 965 | 0.09 | 6.70 |
ApacheFP | 1,047 | 0.09 | 1,057 | 0.10 | -3.41 |
Commerce-Builder | 999 | 0.09 | 1,003 | 0.09 | -2.88 |
OSU | 944 | 0.08 | 995 | 0.09 | -7.49 |
FileMakerPro | 920 | 0.08 | 1,010 | 0.09 | -11.18 |
Microsoft-Internet-Information-Server | 892 | 0.08 | 998 | 0.09 | -12.85 |
Purveyor | 840 | 0.07 | 900 | 0.08 | -8.99 |
Domino-Go-Webserver | 774 | 0.07 | 774 | 0.07 | -2.49 |
NaviServer | 748 | 0.07 | 775 | 0.07 | -5.89 |
Affinity-Apache | 700 | 0.06 | 167 | 0.02 | 308.71 |
MacHTTP | 648 | 0.06 | 654 | 0.06 | -3.39 |
Oracle_Web_Listener | 644 | 0.06 | 558 | 0.05 | 12.54 |
Microsoft-PWS-95 | 644 | 0.06 | 678 | 0.06 | -7.38 |
QuidProQuo | 634 | 0.06 | 669 | 0.06 | -7.59 |
SWS-1.0 | 609 | 0.05 | 625 | 0.06 | -4.99 |
Microsoft-PWS | 572 | 0.05 | 598 | 0.05 | -6.73 |
Worldgroup | 556 | 0.05 | 642 | 0.06 | -15.55 |
ApacheSSL | 502 | 0.04 | 470 | 0.04 | 4.15 |
FirstClass | 491 | 0.04 | 457 | 0.04 | 4.76 |
SAMBAR | 442 | 0.04 | 380 | 0.03 | 13.42 |
Xitami | 434 | 0.04 | 424 | 0.04 | -0.19 |
Open-Market-Secure-WebServer | 430 | 0.04 | 728 | 0.07 | -42.41 |
HPWB | 402 | 0.04 | 338 | 0.03 | 15.97 |
Apache-NeoWebScript | 398 | 0.04 | 418 | 0.04 | -7.16 |
IBM-ICS | 396 | 0.03 | 369 | 0.03 | 4.64 |
JavaWebServer | 382 | 0.03 | 382 | 0.03 | -2.49 |
IBM-HTTP-Server | 342 | 0.03 | 306 | 0.03 | 8.98 |
OmniHTTPd | 290 | 0.03 | 279 | 0.03 | 1.35 |
Oracle_Web_listener2.1 | 254 | 0.02 | 287 | 0.03 | -13.70 |
FrontPage-PWS32 | 244 | 0.02 | 261 | 0.02 | -8.84 |
Oracle_Web_listener3.0.2.0.0 | 243 | 0.02 | 245 | 0.02 | -3.29 |
Mini-Proxy | 239 | 0.02 | 271 | 0.02 | -14.01 |
ConcentricHost-Ashurbanipal | 233 | 0.02 | 247 | 0.02 | -8.02 |
PowerWeb | 232 | 0.02 | 264 | 0.02 | -14.31 |
Apache-SSL-US | 232 | 0.02 | 247 | 0.02 | -8.41 |
HomeNet | 231 | 0.02 | 211 | 0.02 | 6.75 |
Lasso | 212 | 0.02 | 203 | 0.02 | 1.83 |
AiNET | 207 | 0.02 | 179 | 0.02 | 12.76 |
Apache-EUnet | 205 | 0.02 | 203 | 0.02 | -1.53 |
HouseIt | 204 | 0.02 | 212 | 0.02 | -6.17 |
Lotus | 202 | 0.02 | 230 | 0.02 | -14.36 |
Squid | 196 | 0.02 | 185 | 0.02 | 3.31 |
ODN | 195 | 0.02 | 198 | 0.02 | -3.97 |
Alibaba | 188 | 0.02 | 199 | 0.02 | -7.88 |
Ultraseek | 185 | 0.02 | 225 | 0.02 | -19.83 |
MACOS_Personal_Websharing | 181 | 0.02 | 170 | 0.02 | 3.82 |
Oracle_Web_listener3.0 | 176 | 0.02 | 198 | 0.02 | -13.33 |
HTTPS | 173 | 0.02 | 195 | 0.02 | -13.49 |
Web_Server_4D | 172 | 0.02 | 99 | 0.01 | 69.41 |
Sun_WebServer | 171 | 0.02 | 150 | 0.01 | 11.16 |
IgServ | 166 | 0.01 | 175 | 0.02 | -7.51 |
eShare-Expressions | 160 | 0.01 | 178 | 0.02 | -12.35 |
Oracle_Web_Listener_NT_2.1.0.3.1 | 146 | 0.01 | 155 | 0.01 | -8.15 |
CommerceServer400 | 145 | 0.01 | 153 | 0.01 | -7.59 |
Statistics | 143 | 0.01 | 155 | 0.01 | -10.04 |
NetPresenz | 143 | 0.01 | 152 | 0.01 | -8.27 |
Oracle_Web_listener3.0.1.0.0 | 130 | 0.01 | 139 | 0.01 | -8.81 |
Oracle_Web_listener3.0.1 | 127 | 0.01 | 130 | 0.01 | -4.74 |
Oracle_Web_listener2.0 | 126 | 0.01 | 156 | 0.01 | -21.24 |
IBM_HTTP_Server | 126 | 0.01 | 87 | 0.01 | 41.22 |
David-WebBox | 126 | 0.01 | 134 | 0.01 | -8.31 |
HTTP | 125 | 0.01 | 0 | 0.00 | N/A |
AppleWSE | 124 | 0.01 | 139 | 0.01 | -13.01 |
Roxen | 121 | 0.01 | 72 | 0.01 | 63.87 |
Powered | 112 | 0.01 | 93 | 0.01 | 17.43 |
IBM-Secure-Export-ICS | 112 | 0.01 | 115 | 0.01 | -5.04 |
CONNECTnet[welp3] | 109 | 0.01 | 114 | 0.01 | -6.77 |
GoServe | 100 | 0.01 | 108 | 0.01 | -9.72 |
BorderWare | 98 | 0.01 | 101 | 0.01 | -5.39 |
IBM | 96 | 0.01 | 98 | 0.01 | -4.48 |
AnWeb | 86 | 0.01 | 76 | 0.01 | 10.34 |
Spinner | 85 | 0.01 | 131 | 0.01 | -36.73 |
Oracle_Web_Listener_NT_2.1.1 | 85 | 0.01 | 105 | 0.01 | -21.07 |
InfoWest.COM-Custom-Apache | 83 | 0.01 | 85 | 0.01 | -4.79 |
NeoWebScript | 74 | 0.01 | 0 | 0.00 | N/A |
ConferenceRoom | 72 | 0.01 | 92 | 0.01 | -23.69 |
Note: Readers are cautioned that the Growth percentages are based on a server's market share penetration rather than the absolute number of servers we detected. Thus, it is possible for the number of servers to increase, while the growth is actually a negative value.