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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 | March 2004 Count |
March 2004 % |
February 2004 Count |
February 2004 % |
Growth % |
Apache | 1,261,728 | 53.49 | 1,259,812 | 53.45 | 0.08 |
Microsoft-IIS | 806,032 | 34.17 | 807,064 | 34.24 | -0.20 |
Rapidsite | 76,532 | 3.24 | 76,964 | 3.27 | -0.63 |
null | 49,136 | 2.08 | 46,733 | 1.98 | 5.07 |
Netscape-Enterprise | 28,524 | 1.21 | 29,440 | 1.25 | -3.18 |
Lotus-Domino | 15,786 | 0.67 | 15,803 | 0.67 | -0.18 |
Apache-AdvancedExtranetServer | 9,250 | 0.39 | 9,079 | 0.39 | 1.81 |
A | 8,405 | 0.36 | 8,290 | 0.35 | 1.32 |
Zeus | 6,303 | 0.27 | 6,471 | 0.27 | -2.66 |
WebSTAR | 5,433 | 0.23 | 5,641 | 0.24 | -3.75 |
WebSitePro | 4,946 | 0.21 | 5,136 | 0.22 | -3.77 |
WN | 4,460 | 0.19 | 4,557 | 0.19 | -2.20 |
IdeaWebServer | 4,400 | 0.19 | 4,346 | 0.18 | 1.17 |
Stronghold | 3,827 | 0.16 | 3,931 | 0.17 | -2.71 |
Ipswitch-IMail | 3,257 | 0.14 | 3,254 | 0.14 | 0.02 |
NetWare-Enterprise-Web-Server | 2,838 | 0.12 | 2,899 | 0.12 | -2.17 |
WebSite | 2,835 | 0.12 | 2,888 | 0.12 | -1.90 |
IBM_HTTP_SERVER | 2,388 | 0.10 | 2,285 | 0.10 | 4.43 |
Zope | 2,189 | 0.09 | 2,166 | 0.09 | 0.99 |
FileMakerPro | 2,100 | 0.09 | 2,125 | 0.09 | -1.25 |
IBM_HTTP_Server | 2,068 | 0.09 | 2,127 | 0.09 | -2.84 |
Netscape-FastTrack | 1,951 | 0.08 | 2,026 | 0.09 | -3.77 |
Oracle | 1,936 | 0.08 | 1,925 | 0.08 | 0.50 |
IBM-HTTP-Server | 1,440 | 0.06 | 1,465 | 0.06 | -1.78 |
WebServer | 1,401 | 0.06 | 1,319 | 0.06 | 6.14 |
FirstClass | 1,315 | 0.06 | 1,312 | 0.06 | 0.16 |
Resin | 1,244 | 0.05 | 1,234 | 0.05 | 0.74 |
4D_WebSTAR_S | 1,233 | 0.05 | 1,204 | 0.05 | 2.34 |
NCSA | 1,209 | 0.05 | 1,252 | 0.05 | -3.50 |
WebLogic | 1,144 | 0.05 | 1,142 | 0.05 | 0.10 |
AppleShareIP | 1,128 | 0.05 | 1,158 | 0.05 | -2.66 |
Oracle9iAS | 1,033 | 0.04 | 980 | 0.04 | 5.33 |
Jetty | 959 | 0.04 | 936 | 0.04 | 2.39 |
httpd+ssl | 955 | 0.04 | 914 | 0.04 | 4.41 |
SAMBAR | 851 | 0.04 | 858 | 0.04 | -0.89 |
WDaemon | 782 | 0.03 | 769 | 0.03 | 1.62 |
Cougar | 764 | 0.03 | 756 | 0.03 | 0.99 |
thttpd | 718 | 0.03 | 708 | 0.03 | 1.34 |
squid | 711 | 0.03 | 673 | 0.03 | 5.57 |
CommuniGatePro | 688 | 0.03 | 696 | 0.03 | -1.22 |
AOLserver | 682 | 0.03 | 696 | 0.03 | -2.08 |
AnWeb | 655 | 0.03 | 671 | 0.03 | -2.45 |
Xitami | 640 | 0.03 | 663 | 0.03 | -3.54 |
Boa | 603 | 0.03 | 595 | 0.03 | 1.27 |
HPWB | 599 | 0.03 | 613 | 0.03 | -2.35 |
Lasso | 592 | 0.03 | 594 | 0.03 | -0.41 |
Orion | 583 | 0.02 | 596 | 0.03 | -2.25 |
WWW | 577 | 0.02 | 563 | 0.02 | 2.41 |
OSU | 541 | 0.02 | 536 | 0.02 | 0.86 |
Roxen | 535 | 0.02 | 545 | 0.02 | -1.90 |
Oracle_Web_Listener | 530 | 0.02 | 549 | 0.02 | -3.53 |
Roxen·Challenger | 526 | 0.02 | 533 | 0.02 | -1.38 |
Apache-Coyote | 518 | 0.02 | 346 | 0.01 | 49.61 |
Squid | 504 | 0.02 | 445 | 0.02 | 13.18 |
CERN | 478 | 0.02 | 525 | 0.02 | -9.02 |
Web | 447 | 0.02 | 436 | 0.02 | 2.45 |
IceWarp | 429 | 0.02 | 415 | 0.02 | 3.30 |
Statistics | 428 | 0.02 | 445 | 0.02 | -3.89 |
Sun-ONE-Web-Server | 415 | 0.02 | 329 | 0.01 | 26.05 |
Netscape-Communications | 412 | 0.02 | 431 | 0.02 | -4.48 |
4D_WebStar_D | 402 | 0.02 | 401 | 0.02 | 0.18 |
MACOS_Personal_Websharing | 371 | 0.02 | 393 | 0.02 | -5.66 |
Novell-HTTP-Server | 364 | 0.02 | 377 | 0.02 | -3.52 |
Domino-Go-Webserver | 327 | 0.01 | 352 | 0.01 | -7.17 |
Inktomi | 306 | 0.01 | 319 | 0.01 | -4.14 |
EZproxy | 283 | 0.01 | 282 | 0.01 | 0.28 |
Ultraseek | 263 | 0.01 | 252 | 0.01 | 4.29 |
OpenSA | 255 | 0.01 | 260 | 0.01 | -1.99 |
oXeo | 253 | 0.01 | 229 | 0.01 | 10.40 |
WebSphere | 244 | 0.01 | 211 | 0.01 | 15.56 |
DeleGate | 241 | 0.01 | 249 | 0.01 | -3.28 |
cpsrvd | 239 | 0.01 | 0 | 0.00 | N/A |
Apache-NeoNova | 235 | 0.01 | 233 | 0.01 | 0.79 |
UserLand | 227 | 0.01 | 221 | 0.01 | 2.64 |
Red | 225 | 0.01 | 229 | 0.01 | -1.82 |
Tcl-Webserver | 203 | 0.01 | 187 | 0.01 | 8.48 |
OmniHTTPd | 200 | 0.01 | 223 | 0.01 | -10.38 |
MHttpd | 199 | 0.01 | 201 | 0.01 | -1.06 |
Web_Server_4D | 191 | 0.01 | 184 | 0.01 | 3.73 |
QuidProQuo | 185 | 0.01 | 205 | 0.01 | -9.82 |
MacHTTP | 183 | 0.01 | 193 | 0.01 | -5.25 |
NetCache | 179 | 0.01 | 159 | 0.01 | 12.50 |
JavaWebServer | 175 | 0.01 | 178 | 0.01 | -1.75 |
JRun | 168 | 0.01 | 166 | 0.01 | 1.13 |
WebtoB | 167 | 0.01 | 161 | 0.01 | 3.65 |
IBM | 166 | 0.01 | 166 | 0.01 | -0.07 |
Tomcat | 165 | 0.01 | 159 | 0.01 | 3.70 |
NaviServer | 165 | 0.01 | 168 | 0.01 | -1.85 |
Caudium | 163 | 0.01 | 166 | 0.01 | -1.88 |
Purveyor | 162 | 0.01 | 166 | 0.01 | -2.48 |
Internet | 161 | 0.01 | 159 | 0.01 | 1.19 |
Netscape-Commerce | 160 | 0.01 | 162 | 0.01 | -1.30 |
HP-UX_Apache-based_Web_Server | 157 | 0.01 | 168 | 0.01 | -6.61 |
Worldgroup | 151 | 0.01 | 153 | 0.01 | -1.38 |
Wapapi | 150 | 0.01 | 146 | 0.01 | 2.67 |
HP | 148 | 0.01 | 148 | 0.01 | -0.07 |
MDNServer | 146 | 0.01 | 153 | 0.01 | -4.64 |
Abyss | 143 | 0.01 | 143 | 0.01 | -0.07 |
mod_perl | 140 | 0.01 | 148 | 0.01 | -5.47 |
AkamaiGHost | 140 | 0.01 | 264 | 0.01 | -47.01 |
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.