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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 | January 2019 Count |
January 2019 % |
December 2018 Count |
December 2018 % |
Growth % |
Apache | 2,218,708 | 45.47 | 2,223,097 | 45.74 | -0.58 |
nginx | 1,004,692 | 20.59 | 985,922 | 20.28 | 1.51 |
Microsoft-IIS | 640,146 | 13.12 | 642,884 | 13.23 | -0.81 |
null | 310,046 | 6.35 | 312,332 | 6.43 | -1.11 |
Microsoft-HTTPAPI | 242,122 | 4.96 | 235,449 | 4.84 | 2.44 |
cloudflare | 111,139 | 2.28 | 110,375 | 2.27 | 0.31 |
IdeaWebServer | 46,033 | 0.94 | 46,259 | 0.95 | -0.87 |
LiteSpeed | 42,993 | 0.88 | 42,435 | 0.87 | 0.93 |
Apache-Coyote | 29,587 | 0.61 | 29,640 | 0.61 | -0.56 |
BigIP | 29,121 | 0.60 | 28,912 | 0.59 | 0.34 |
openresty | 23,611 | 0.48 | 23,268 | 0.48 | 1.09 |
AkamaiGHost | 13,870 | 0.28 | 14,479 | 0.30 | -4.57 |
Tengine | 13,386 | 0.27 | 12,688 | 0.26 | 5.10 |
Flywheel | 13,002 | 0.27 | 12,943 | 0.27 | 0.07 |
AmazonS3 | 8,099 | 0.17 | 7,626 | 0.16 | 5.80 |
lighttpd | 5,880 | 0.12 | 5,940 | 0.12 | -1.39 |
wts | 5,385 | 0.11 | 5,566 | 0.11 | -3.62 |
Varnish | 4,488 | 0.09 | 4,323 | 0.09 | 3.42 |
WWW | 3,905 | 0.08 | 3,921 | 0.08 | -0.79 |
awselb | 3,846 | 0.08 | 3,365 | 0.07 | 13.86 |
Lotus-Domino | 3,764 | 0.08 | 3,806 | 0.08 | -1.48 |
CloudFront | 3,726 | 0.08 | 3,940 | 0.08 | -5.79 |
nginx-reuseport | 3,259 | 0.07 | 3,204 | 0.07 | 1.33 |
Safedog | 2,896 | 0.06 | 3,091 | 0.06 | -6.67 |
EZproxy | 2,601 | 0.05 | 2,602 | 0.05 | -0.42 |
kangle | 2,328 | 0.05 | 2,176 | 0.04 | 6.58 |
Firewall | 2,014 | 0.04 | 1,463 | 0.03 | 37.14 |
nginx-rc | 1,982 | 0.04 | 1,847 | 0.04 | 6.90 |
squid | 1,955 | 0.04 | 1,978 | 0.04 | -1.54 |
Cowboy | 1,876 | 0.04 | 1,964 | 0.04 | -4.85 |
ClausWeb-nginx | 1,601 | 0.03 | 1,600 | 0.03 | -0.32 |
IIS | 1,558 | 0.03 | 1,665 | 0.03 | -6.78 |
Caddy | 1,558 | 0.03 | 1,519 | 0.03 | 2.18 |
ws-httpd | 1,137 | 0.02 | 1,118 | 0.02 | 1.31 |
Resin | 1,102 | 0.02 | 1,093 | 0.02 | 0.44 |
IceWarp | 966 | 0.02 | 965 | 0.02 | -0.28 |
- | 965 | 0.02 | 985 | 0.02 | -2.40 |
linuxOS | 962 | 0.02 | 887 | 0.02 | 8.04 |
YxlinkWAF | 945 | 0.02 | 973 | 0.02 | -3.25 |
Linux | 922 | 0.02 | 943 | 0.02 | -2.60 |
WDaemon | 911 | 0.02 | 910 | 0.02 | -0.27 |
Zope | 906 | 0.02 | 911 | 0.02 | -0.93 |
III | 850 | 0.02 | 854 | 0.02 | -0.85 |
Kestrel | 837 | 0.02 | 747 | 0.02 | 11.62 |
IBM_HTTP_Server | 829 | 0.02 | 846 | 0.02 | -2.38 |
GlassFish | 828 | 0.02 | 836 | 0.02 | -1.34 |
scl | 817 | 0.02 | 791 | 0.02 | 2.89 |
Destiny | 793 | 0.02 | 772 | 0.02 | 2.33 |
sffe | 792 | 0.02 | 721 | 0.01 | 9.43 |
CentOS | 745 | 0.02 | 690 | 0.01 | 7.56 |
ScreenConnect | 743 | 0.02 | 740 | 0.02 | 0.02 |
VWebServer | 717 | 0.01 | 691 | 0.01 | 3.37 |
CHO | 700 | 0.01 | 700 | 0.01 | -0.38 |
Icecast | 691 | 0.01 | 673 | 0.01 | 2.28 |
Server | 659 | 0.01 | 641 | 0.01 | 2.42 |
Oracle-Application-Server-10g | 649 | 0.01 | 654 | 0.01 | -1.14 |
Nginx | 622 | 0.01 | 617 | 0.01 | 0.43 |
PWS | 593 | 0.01 | 631 | 0.01 | -6.38 |
yunjiasu-nginx | 589 | 0.01 | 520 | 0.01 | 12.84 |
AliyunOSS | 572 | 0.01 | 547 | 0.01 | 4.17 |
ECAcc | 557 | 0.01 | 558 | 0.01 | -0.56 |
Web | 536 | 0.01 | 563 | 0.01 | -5.16 |
WebServer | 533 | 0.01 | 542 | 0.01 | -2.04 |
Rumpus | 531 | 0.01 | 540 | 0.01 | -2.04 |
redir-httpd | 490 | 0.01 | 490 | 0.01 | -0.38 |
ATS | 473 | 0.01 | 472 | 0.01 | -0.17 |
EdgePrism | 462 | 0.01 | 463 | 0.01 | -0.60 |
Oracle-Application-Server-11g | 450 | 0.01 | 457 | 0.01 | -1.91 |
Bomgar | 427 | 0.01 | 429 | 0.01 | -0.85 |
Protected | 419 | 0.01 | 523 | 0.01 | -20.19 |
QRATOR | 402 | 0.01 | 397 | 0.01 | 0.87 |
***************** | 399 | 0.01 | 398 | 0.01 | -0.13 |
CommuniGatePro | 388 | 0.01 | 395 | 0.01 | -2.15 |
OpenBSD | 387 | 0.01 | 390 | 0.01 | -1.15 |
WildFly | 370 | 0.01 | 372 | 0.01 | -0.92 |
WAF | 350 | 0.01 | 349 | 0.01 | -0.10 |
httpd | 338 | 0.01 | 358 | 0.01 | -5.95 |
Cougar | 337 | 0.01 | 354 | 0.01 | -5.17 |
cc-web | 330 | 0.01 | 332 | 0.01 | -0.98 |
WowzaStreamingEngine | 327 | 0.01 | 326 | 0.01 | -0.08 |
LRBD-90b4cdf | 317 | 0.01 | 317 | 0.01 | -0.38 |
XtendWeb-nginx | 316 | 0.01 | 314 | 0.01 | 0.25 |
ECS | 316 | 0.01 | 318 | 0.01 | -1.01 |
MageStack-MagentoOS | 315 | 0.01 | 313 | 0.01 | 0.25 |
aruba-proxy | 303 | 0.01 | 296 | 0.01 | 1.97 |
4D | 292 | 0.01 | 291 | 0.01 | -0.04 |
ghs | 289 | 0.01 | 288 | 0.01 | -0.04 |
TWebAP | 288 | 0.01 | 296 | 0.01 | -3.07 |
Netscape-Enterprise | 287 | 0.01 | 278 | 0.01 | 2.84 |
Werkzeug | 276 | 0.01 | 282 | 0.01 | -2.50 |
1 | 275 | 0.01 | 274 | 0.01 | -0.02 |
nginx-upupw | 272 | 0.01 | 346 | 0.01 | -21.69 |
Footprint | 265 | 0.01 | 283 | 0.01 | -6.72 |
SonicWALL | 264 | 0.01 | 260 | 0.01 | 1.15 |
Sun | 256 | 0.01 | 259 | 0.01 | -1.54 |
bfe | 255 | 0.01 | 0 | 0.00 | N/A |
awex | 254 | 0.01 | 253 | 0.01 | 0.01 |
ECD | 248 | 0.01 | 0 | 0.00 | N/A |
shield | 246 | 0.01 | 248 | 0.01 | -1.19 |
ngjit | 246 | 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.