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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 | September 2013 Count |
September 2013 % |
August 2013 Count |
August 2013 % |
Growth % |
Apache | 3,158,678 | 57.62 | 3,150,611 | 57.77 | -0.26 |
Microsoft-IIS | 1,026,496 | 18.72 | 1,031,467 | 18.91 | -1.00 |
null | 434,204 | 7.92 | 432,847 | 7.94 | -0.21 |
nginx | 336,143 | 6.13 | 326,151 | 5.98 | 2.53 |
Microsoft-HTTPAPI | 125,392 | 2.29 | 121,812 | 2.23 | 2.40 |
Apache-Coyote | 58,403 | 1.07 | 57,633 | 1.06 | 0.81 |
IdeaWebServer | 51,851 | 0.95 | 51,364 | 0.94 | 0.42 |
IIS | 32,155 | 0.59 | 25,845 | 0.47 | 23.77 |
LiteSpeed | 27,767 | 0.51 | 27,589 | 0.51 | 0.12 |
Rapidsite | 23,883 | 0.44 | 24,537 | 0.45 | -3.17 |
lighttpd | 21,295 | 0.39 | 21,478 | 0.39 | -1.37 |
A | 12,168 | 0.22 | 12,302 | 0.23 | -1.60 |
BigIP | 11,819 | 0.22 | 11,468 | 0.21 | 2.53 |
Lotus-Domino | 9,642 | 0.18 | 9,725 | 0.18 | -1.37 |
squid | 9,186 | 0.17 | 9,318 | 0.17 | -1.93 |
AkamaiGHost | 6,777 | 0.12 | 5,527 | 0.10 | 21.98 |
cloudflare-nginx | 6,405 | 0.12 | 6,268 | 0.11 | 1.65 |
IBM_HTTP_Server | 6,138 | 0.11 | 6,256 | 0.11 | -2.40 |
HTTPD | 4,100 | 0.07 | 4,005 | 0.07 | 1.84 |
Zope | 3,086 | 0.06 | 3,141 | 0.06 | -2.26 |
Oracle-Application-Server-10g | 3,015 | 0.05 | 3,062 | 0.06 | -2.05 |
Resin | 2,866 | 0.05 | 2,863 | 0.05 | -0.42 |
EZproxy | 2,260 | 0.04 | 2,244 | 0.04 | 0.19 |
- | 2,212 | 0.04 | 2,475 | 0.05 | -11.09 |
MochiWeb | 2,194 | 0.04 | 2,041 | 0.04 | 6.94 |
Varnish | 2,133 | 0.04 | 2,046 | 0.04 | 3.71 |
Tengine | 2,005 | 0.04 | 1,887 | 0.03 | 5.70 |
Cougar | 1,808 | 0.03 | 1,824 | 0.03 | -1.39 |
WDaemon | 1,751 | 0.03 | 1,754 | 0.03 | -0.69 |
Web | 1,665 | 0.03 | 1,656 | 0.03 | 0.02 |
Zeus | 1,660 | 0.03 | 1,687 | 0.03 | -2.11 |
kangle | 1,629 | 0.03 | 1,577 | 0.03 | 2.76 |
xServers | 1,569 | 0.03 | 1,569 | 0.03 | -0.52 |
Sun-ONE-Web-Server | 1,545 | 0.03 | 1,599 | 0.03 | -3.88 |
IceWarp | 1,488 | 0.03 | 1,492 | 0.03 | -0.79 |
III | 1,188 | 0.02 | 1,187 | 0.02 | -0.44 |
ngx_openresty | 1,108 | 0.02 | 401 | 0.01 | 174.87 |
WP | 1,038 | 0.02 | 962 | 0.02 | 7.34 |
Netscape-Enterprise | 1,032 | 0.02 | 1,068 | 0.02 | -3.87 |
thttpd | 1,001 | 0.02 | 1,328 | 0.02 | -25.01 |
Rumpus | 992 | 0.02 | 998 | 0.02 | -1.12 |
GWS | 976 | 0.02 | 999 | 0.02 | -2.81 |
Cherokee | 942 | 0.02 | 947 | 0.02 | -1.04 |
sffe | 935 | 0.02 | 994 | 0.02 | -6.42 |
GlassFish | 932 | 0.02 | 895 | 0.02 | 3.59 |
Boa | 903 | 0.02 | 907 | 0.02 | -0.96 |
cpsrvd | 897 | 0.02 | 900 | 0.02 | -0.85 |
ApacheBooster | 876 | 0.02 | 805 | 0.01 | 8.25 |
FC | 874 | 0.02 | 872 | 0.02 | -0.29 |
Bomgar | 825 | 0.02 | 822 | 0.02 | -0.16 |
Oracle | 784 | 0.01 | 801 | 0.01 | -2.63 |
Sun | 770 | 0.01 | 779 | 0.01 | -1.67 |
Oracle-Application-Server-11g | 769 | 0.01 | 752 | 0.01 | 1.73 |
Sun-Java-System-Web-Server | 759 | 0.01 | 768 | 0.01 | -1.69 |
ASERVER | 758 | 0.01 | 731 | 0.01 | 3.16 |
CommuniGatePro | 748 | 0.01 | 763 | 0.01 | -2.48 |
Apache-AdvancedExtranetServer | 740 | 0.01 | 768 | 0.01 | -4.15 |
httpd | 735 | 0.01 | 744 | 0.01 | -1.72 |
smartcds | 691 | 0.01 | 490 | 0.01 | 40.29 |
Safedog | 676 | 0.01 | 0 | 0.00 | N/A |
EdgePrism | 664 | 0.01 | 466 | 0.01 | 41.75 |
WebServer | 662 | 0.01 | 659 | 0.01 | -0.07 |
Jetty | 630 | 0.01 | 643 | 0.01 | -2.53 |
WWW | 629 | 0.01 | 614 | 0.01 | 1.91 |
CloudFront | 616 | 0.01 | 0 | 0.00 | N/A |
Server | 573 | 0.01 | 560 | 0.01 | 1.79 |
redir-httpd | 513 | 0.01 | 514 | 0.01 | -0.71 |
FlashCom | 504 | 0.01 | 486 | 0.01 | 3.17 |
AnWeb | 500 | 0.01 | 508 | 0.01 | -2.09 |
NOYB | 485 | 0.01 | 510 | 0.01 | -5.40 |
Oracle-iPlanet-Web-Server | 451 | 0.01 | 440 | 0.01 | 1.97 |
PWS | 447 | 0.01 | 406 | 0.01 | 9.53 |
WebtoB | 444 | 0.01 | 443 | 0.01 | -0.29 |
Demandware | 440 | 0.01 | 429 | 0.01 | 2.03 |
Abyss | 436 | 0.01 | 433 | 0.01 | 0.17 |
AmazonS3 | 432 | 0.01 | 378 | 0.01 | 13.69 |
WebServerX | 415 | 0.01 | 407 | 0.01 | 1.44 |
***************** | 405 | 0.01 | 381 | 0.01 | 5.75 |
HTTP | 393 | 0.01 | 393 | 0.01 | -0.52 |
Unknown | 383 | 0.01 | 388 | 0.01 | -1.80 |
Ipswitch-IMail | 382 | 0.01 | 396 | 0.01 | -4.04 |
SAP | 373 | 0.01 | 367 | 0.01 | 1.11 |
ListManagerWeb | 368 | 0.01 | 379 | 0.01 | -3.41 |
363 | 0.01 | 348 | 0.01 | 3.77 | |
SonicWALL | 355 | 0.01 | 349 | 0.01 | 1.19 |
kisa | 354 | 0.01 | 352 | 0.01 | 0.05 |
WebSphere | 354 | 0.01 | 354 | 0.01 | -0.52 |
maged | 348 | 0.01 | 284 | 0.01 | 21.90 |
IBM_HTTP_SERVER | 348 | 0.01 | 364 | 0.01 | -4.89 |
FileMakerPro | 347 | 0.01 | 346 | 0.01 | -0.23 |
AOLserver | 337 | 0.01 | 343 | 0.01 | -2.26 |
WS | 331 | 0.01 | 335 | 0.01 | -1.71 |
OpenCms | 319 | 0.01 | 310 | 0.01 | 2.37 |
DinaHTTPd | 317 | 0.01 | 332 | 0.01 | -5.01 |
RomPager | 313 | 0.01 | 0 | 0.00 | N/A |
4D_WebStar_D | 309 | 0.01 | 319 | 0.01 | -3.64 |
Indy | 297 | 0.01 | 307 | 0.01 | -3.76 |
TWebAP | 277 | 0.01 | 277 | 0.01 | -0.52 |
WebSTAR | 276 | 0.01 | 282 | 0.01 | -2.64 |
Roxen | 276 | 0.01 | 280 | 0.01 | -1.94 |
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.