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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 2006 Count |
November 2006 % |
October 2006 Count |
October 2006 % |
Growth % |
Apache | 1,731,699 | 57.10 | 1,715,424 | 57.10 | 0.01 |
Microsoft-IIS | 895,394 | 29.53 | 889,612 | 29.61 | -0.29 |
null | 150,742 | 4.97 | 145,530 | 4.84 | 2.62 |
Rapidsite | 67,071 | 2.21 | 67,354 | 2.24 | -1.35 |
Lotus-Domino | 14,680 | 0.48 | 14,645 | 0.49 | -0.69 |
Netscape-Enterprise | 14,497 | 0.48 | 14,750 | 0.49 | -2.63 |
Apache-Coyote | 14,423 | 0.48 | 13,852 | 0.46 | 3.15 |
A | 13,095 | 0.43 | 13,026 | 0.43 | -0.41 |
IdeaWebServer | 10,078 | 0.33 | 9,853 | 0.33 | 1.33 |
Apache-AdvancedExtranetServer | 6,733 | 0.22 | 6,824 | 0.23 | -2.25 |
NOYB | 5,030 | 0.17 | 5,034 | 0.17 | -1.01 |
Zeus | 4,805 | 0.16 | 4,758 | 0.16 | 0.05 |
Zope | 3,979 | 0.13 | 3,904 | 0.13 | 0.97 |
Sun-ONE-Web-Server | 3,706 | 0.12 | 4,312 | 0.14 | -14.85 |
IBM_HTTP_Server | 3,639 | 0.12 | 3,515 | 0.12 | 2.56 |
lighttpd | 3,463 | 0.11 | 3,286 | 0.11 | 4.40 |
WebServer | 3,284 | 0.11 | 3,225 | 0.11 | 0.88 |
nginx | 3,013 | 0.10 | 2,824 | 0.09 | 5.70 |
Resin | 2,743 | 0.09 | 2,666 | 0.09 | 1.93 |
Ipswitch-IMail | 2,730 | 0.09 | 2,789 | 0.09 | -3.03 |
IBM_HTTP_SERVER | 2,515 | 0.08 | 2,589 | 0.09 | -3.76 |
WebSTAR | 2,432 | 0.08 | 2,437 | 0.08 | -1.13 |
Oracle-Application-Server-10g | 2,347 | 0.08 | 2,278 | 0.08 | 2.07 |
squid | 2,302 | 0.08 | 2,296 | 0.08 | -0.67 |
WebSitePro | 1,776 | 0.06 | 1,862 | 0.06 | -5.51 |
Oracle | 1,642 | 0.05 | 1,652 | 0.05 | -1.53 |
Cougar | 1,556 | 0.05 | 1,517 | 0.05 | 1.62 |
FileMakerPro | 1,501 | 0.05 | 1,515 | 0.05 | -1.85 |
Jetty | 1,483 | 0.05 | 1,482 | 0.05 | -0.86 |
IceWarp | 1,338 | 0.04 | 1,317 | 0.04 | 0.65 |
WebLogic | 1,333 | 0.04 | 1,305 | 0.04 | 1.19 |
WebSite | 1,320 | 0.04 | 1,340 | 0.04 | -2.41 |
4D_WebSTAR_S | 1,248 | 0.04 | 1,238 | 0.04 | -0.13 |
WDaemon | 1,245 | 0.04 | 1,233 | 0.04 | 0.03 |
Boa | 1,063 | 0.04 | 1,048 | 0.03 | 0.49 |
GWS | 1,038 | 0.03 | 971 | 0.03 | 5.90 |
thttpd | 1,024 | 0.03 | 984 | 0.03 | 3.10 |
AnWeb | 991 | 0.03 | 947 | 0.03 | 3.67 |
III | 967 | 0.03 | 963 | 0.03 | -0.52 |
CommuniGatePro | 959 | 0.03 | 960 | 0.03 | -1.03 |
httpd+ssl | 948 | 0.03 | 943 | 0.03 | -0.41 |
Stronghold | 858 | 0.03 | 902 | 0.03 | -5.76 |
NetWare-Enterprise-Web-Server | 839 | 0.03 | 850 | 0.03 | -2.21 |
BIG-IP | 824 | 0.03 | 724 | 0.02 | 12.75 |
AOLserver | 770 | 0.03 | 768 | 0.03 | -0.67 |
AkamaiGHost | 745 | 0.02 | 837 | 0.03 | -11.82 |
Oracle9iAS | 733 | 0.02 | 738 | 0.02 | -1.60 |
EZproxy | 714 | 0.02 | 693 | 0.02 | 2.07 |
Netscape-FastTrack | 679 | 0.02 | 688 | 0.02 | -2.23 |
Web | 658 | 0.02 | 645 | 0.02 | 1.06 |
PowerSchool | 636 | 0.02 | 608 | 0.02 | 3.63 |
SAMBAR | 635 | 0.02 | 635 | 0.02 | -0.93 |
FirstClass | 607 | 0.02 | 617 | 0.02 | -2.54 |
4D_WebStar_D | 578 | 0.02 | 562 | 0.02 | 1.89 |
NetCache | 562 | 0.02 | 550 | 0.02 | 1.23 |
cpsrvd | 548 | 0.02 | 549 | 0.02 | -1.11 |
IBM-HTTP-Server | 534 | 0.02 | 535 | 0.02 | -1.12 |
Orion | 527 | 0.02 | 524 | 0.02 | -0.36 |
DeleGate | 525 | 0.02 | 513 | 0.02 | 1.39 |
redir-httpd | 502 | 0.02 | 499 | 0.02 | -0.34 |
WebtoB | 491 | 0.02 | 480 | 0.02 | 1.34 |
NCSA | 476 | 0.02 | 490 | 0.02 | -3.76 |
Roxen | 433 | 0.01 | 409 | 0.01 | 4.88 |
Xitami | 395 | 0.01 | 392 | 0.01 | -0.17 |
WebSphere | 380 | 0.01 | 428 | 0.01 | -12.04 |
AppleShareIP | 379 | 0.01 | 384 | 0.01 | -2.22 |
Ultraseek | 373 | 0.01 | 376 | 0.01 | -1.72 |
OSU | 369 | 0.01 | 364 | 0.01 | 0.43 |
Abyss | 340 | 0.01 | 320 | 0.01 | 5.26 |
WebServerX | 311 | 0.01 | 189 | 0.01 | 63.02 |
ListManagerWeb | 301 | 0.01 | 285 | 0.01 | 4.63 |
LiteSpeed | 287 | 0.01 | 267 | 0.01 | 6.49 |
EdgePrism | 287 | 0.01 | 259 | 0.01 | 9.78 |
"" | 252 | 0.01 | 249 | 0.01 | 0.26 |
JRun | 242 | 0.01 | 239 | 0.01 | 0.31 |
HPWB | 241 | 0.01 | 245 | 0.01 | -2.55 |
IIS | 226 | 0.01 | 224 | 0.01 | -0.05 |
Indy | 225 | 0.01 | 218 | 0.01 | 2.25 |
Nost | 220 | 0.01 | 232 | 0.01 | -6.06 |
httpd | 214 | 0.01 | 200 | 0.01 | 6.00 |
UserLand | 211 | 0.01 | 209 | 0.01 | 0.02 |
eSoft | 206 | 0.01 | 204 | 0.01 | 0.04 |
Polaris | 205 | 0.01 | 196 | 0.01 | 3.62 |
Jeus | 204 | 0.01 | 200 | 0.01 | 1.05 |
Kucci | 201 | 0.01 | 213 | 0.01 | -6.51 |
Tcl-Webserver | 197 | 0.01 | 203 | 0.01 | -3.86 |
Microsoft-HTTPAPI | 196 | 0.01 | 175 | 0.01 | 10.96 |
Webserver | 189 | 0.01 | 187 | 0.01 | 0.13 |
Squid | 189 | 0.01 | 206 | 0.01 | -9.11 |
OpenSA | 189 | 0.01 | 184 | 0.01 | 1.76 |
Simple, | 187 | 0.01 | 233 | 0.01 | -20.49 |
NAB | 187 | 0.01 | 191 | 0.01 | -3.01 |
Roxen·Challenger | 186 | 0.01 | 189 | 0.01 | -2.50 |
Oracle_Web_Listener | 182 | 0.01 | 184 | 0.01 | -2.01 |
Disallowed | 176 | 0.01 | 185 | 0.01 | -5.75 |
Apache-NeoNova | 174 | 0.01 | 239 | 0.01 | -27.87 |
WWW | 173 | 0.01 | 173 | 0.01 | -0.93 |
CERN | 173 | 0.01 | 173 | 0.01 | -0.93 |
Blocked | 172 | 0.01 | 177 | 0.01 | -3.73 |
Power | 170 | 0.01 | 0 | 0.00 | N/A |
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.