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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 | February 2019 Count |
February 2019 % |
January 2019 Count |
January 2019 % |
Growth % |
Apache | 2,181,916 | 45.11 | 2,218,708 | 45.47 | -0.80 |
nginx | 1,010,066 | 20.88 | 1,004,692 | 20.59 | 1.42 |
Microsoft-IIS | 633,830 | 13.10 | 640,146 | 13.12 | -0.12 |
null | 303,749 | 6.28 | 310,046 | 6.35 | -1.17 |
Microsoft-HTTPAPI | 245,323 | 5.07 | 242,122 | 4.96 | 2.21 |
cloudflare | 109,827 | 2.27 | 111,139 | 2.28 | -0.31 |
LiteSpeed | 46,811 | 0.97 | 42,993 | 0.88 | 9.83 |
IdeaWebServer | 45,635 | 0.94 | 46,033 | 0.94 | 0.00 |
BigIP | 29,243 | 0.60 | 29,121 | 0.60 | 1.30 |
Apache-Coyote | 27,586 | 0.57 | 29,587 | 0.61 | -5.95 |
openresty | 22,872 | 0.47 | 23,611 | 0.48 | -2.28 |
AkamaiGHost | 15,504 | 0.32 | 13,870 | 0.28 | 12.76 |
Flywheel | 13,107 | 0.27 | 13,002 | 0.27 | 1.69 |
Tengine | 12,885 | 0.27 | 13,386 | 0.27 | -2.90 |
AmazonS3 | 8,290 | 0.17 | 8,099 | 0.17 | 3.25 |
lighttpd | 5,733 | 0.12 | 5,880 | 0.12 | -1.65 |
wts | 5,190 | 0.11 | 5,385 | 0.11 | -2.78 |
awselb | 4,785 | 0.10 | 3,846 | 0.08 | 25.50 |
Varnish | 4,471 | 0.09 | 4,488 | 0.09 | 0.49 |
WWW | 3,694 | 0.08 | 3,905 | 0.08 | -4.57 |
Lotus-Domino | 3,650 | 0.08 | 3,764 | 0.08 | -2.18 |
CloudFront | 3,503 | 0.07 | 3,726 | 0.08 | -5.16 |
nginx-reuseport | 3,334 | 0.07 | 3,259 | 0.07 | 3.20 |
Safedog | 2,620 | 0.05 | 2,896 | 0.06 | -8.74 |
EZproxy | 2,572 | 0.05 | 2,601 | 0.05 | -0.25 |
Firewall | 2,243 | 0.05 | 2,014 | 0.04 | 12.35 |
nginx-rc | 2,203 | 0.05 | 1,982 | 0.04 | 12.12 |
kangle | 2,192 | 0.05 | 2,328 | 0.05 | -5.02 |
Cowboy | 1,924 | 0.04 | 1,876 | 0.04 | 3.46 |
squid | 1,887 | 0.04 | 1,955 | 0.04 | -2.63 |
ClausWeb-nginx | 1,607 | 0.03 | 1,601 | 0.03 | 1.25 |
Caddy | 1,568 | 0.03 | 1,558 | 0.03 | 1.52 |
IIS | 1,450 | 0.03 | 1,558 | 0.03 | -6.12 |
ws-httpd | 1,153 | 0.02 | 1,137 | 0.02 | 2.30 |
Resin | 1,020 | 0.02 | 1,102 | 0.02 | -6.63 |
IceWarp | 950 | 0.02 | 966 | 0.02 | -0.79 |
- | 915 | 0.02 | 965 | 0.02 | -4.35 |
Kestrel | 914 | 0.02 | 837 | 0.02 | 10.16 |
Linux | 893 | 0.02 | 922 | 0.02 | -2.30 |
WDaemon | 890 | 0.02 | 911 | 0.02 | -1.45 |
Zope | 862 | 0.02 | 906 | 0.02 | -4.02 |
YxlinkWAF | 844 | 0.02 | 945 | 0.02 | -9.91 |
scl | 827 | 0.02 | 817 | 0.02 | 2.11 |
III | 818 | 0.02 | 850 | 0.02 | -2.92 |
GlassFish | 800 | 0.02 | 828 | 0.02 | -2.54 |
Destiny | 799 | 0.02 | 793 | 0.02 | 1.64 |
sffe | 794 | 0.02 | 792 | 0.02 | 1.13 |
CentOS | 787 | 0.02 | 745 | 0.02 | 6.56 |
IBM_HTTP_Server | 777 | 0.02 | 829 | 0.02 | -5.45 |
ScreenConnect | 717 | 0.01 | 743 | 0.02 | -2.65 |
Icecast | 697 | 0.01 | 691 | 0.01 | 1.75 |
CHO | 695 | 0.01 | 700 | 0.01 | 0.16 |
VWebServer | 661 | 0.01 | 717 | 0.01 | -7.00 |
Server | 656 | 0.01 | 659 | 0.01 | 0.42 |
linuxOS | 650 | 0.01 | 962 | 0.02 | -31.84 |
Oracle-Application-Server-10g | 631 | 0.01 | 649 | 0.01 | -1.92 |
Nginx | 615 | 0.01 | 622 | 0.01 | -0.26 |
PWS | 570 | 0.01 | 593 | 0.01 | -3.04 |
ECAcc | 556 | 0.01 | 557 | 0.01 | 0.69 |
Rumpus | 525 | 0.01 | 531 | 0.01 | -0.26 |
WebServer | 521 | 0.01 | 533 | 0.01 | -1.40 |
AliyunOSS | 502 | 0.01 | 572 | 0.01 | -11.47 |
Web | 498 | 0.01 | 536 | 0.01 | -6.28 |
redir-httpd | 490 | 0.01 | 490 | 0.01 | 0.88 |
ATS | 478 | 0.01 | 473 | 0.01 | 1.94 |
EdgePrism | 456 | 0.01 | 462 | 0.01 | -0.43 |
Oracle-Application-Server-11g | 433 | 0.01 | 450 | 0.01 | -2.93 |
OpenBSD | 404 | 0.01 | 387 | 0.01 | 5.31 |
Bomgar | 400 | 0.01 | 427 | 0.01 | -5.50 |
QRATOR | 398 | 0.01 | 402 | 0.01 | -0.13 |
Protected | 393 | 0.01 | 419 | 0.01 | -5.38 |
CommuniGatePro | 383 | 0.01 | 388 | 0.01 | -0.42 |
WildFly | 373 | 0.01 | 370 | 0.01 | 1.69 |
***************** | 359 | 0.01 | 399 | 0.01 | -9.24 |
Cougar | 333 | 0.01 | 337 | 0.01 | -0.32 |
httpd | 330 | 0.01 | 338 | 0.01 | -1.51 |
cc-web | 325 | 0.01 | 330 | 0.01 | -0.65 |
ECS | 321 | 0.01 | 316 | 0.01 | 2.47 |
WowzaStreamingEngine | 320 | 0.01 | 327 | 0.01 | -1.28 |
LRBD-90b4cdf | 317 | 0.01 | 317 | 0.01 | 0.88 |
aruba-proxy | 316 | 0.01 | 303 | 0.01 | 5.20 |
MageStack-MagentoOS | 312 | 0.01 | 315 | 0.01 | -0.08 |
WAF | 302 | 0.01 | 350 | 0.01 | -12.96 |
ghs | 295 | 0.01 | 289 | 0.01 | 2.97 |
Netscape-Enterprise | 290 | 0.01 | 287 | 0.01 | 1.93 |
4D | 290 | 0.01 | 292 | 0.01 | 0.19 |
1 | 271 | 0.01 | 275 | 0.01 | -0.59 |
ngjit | 269 | 0.01 | 246 | 0.01 | 10.31 |
TWebAP | 260 | 0.01 | 288 | 0.01 | -8.93 |
SonicWALL | 257 | 0.01 | 264 | 0.01 | -1.80 |
Werkzeug | 254 | 0.01 | 276 | 0.01 | -7.16 |
awex | 253 | 0.01 | 254 | 0.01 | 0.48 |
long1 | 252 | 0.01 | 0 | 0.00 | N/A |
gunicorn | 250 | 0.01 | 0 | 0.00 | N/A |
Abyss | 244 | 0.01 | 0 | 0.00 | N/A |
360wzws | 244 | 0.01 | 0 | 0.00 | N/A |
o2switch | 243 | 0.01 | 0 | 0.00 | N/A |
myracloud | 243 | 0.01 | 0 | 0.00 | N/A |
ECD | 243 | 0.01 | 248 | 0.01 | -1.16 |
shield | 240 | 0.00 | 246 | 0.01 | -1.58 |
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.