You are viewing an outdated report. The latest version of this report was published on September 1st, 2024

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:

• How does one treat wildcarded DNS sites that generate unlimited number of unique hostnames, all residing on the same system?
• How does one treat taste-testing web sites that do not have any unique content on them at all?
• If very large number of web sites reside on a single IP address, is it a a case of search engine spamming, a large number of low traffic web sites on a single platform, or a web hosting facility using load-redirection for a large number of legitimate web sites?
• How "greedy" or aggressive should the hunt for new web sites be?

All of the above are issues that our conventional web server survey deals with. The biggest issue that comes up time and again, however, is the fact that our conventional survey counts unique hostnames, not unique installations. This can seriously impact market share statistics. Case in point: the data set used both web server survey reports contains (for the last month's data set) 75,224,026 hostnames, but only 5,394,626 distinct IP addresses.

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:

• A load balanced network of servers might share a single public facing IP address, and be undercounted.
• A single server may have multiple public IP addresses bound to one or more network cards on the system, and thus still be counted more than once.

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	July 2017 Count	July 2017 %	June 2017 Count	June 2017 %	Growth %
Apache	2,539,022	47.07	2,529,801	47.38	-0.67
nginx	907,564	16.82	890,312	16.68	0.89
Microsoft-IIS	868,455	16.10	857,428	16.06	0.24
null	380,540	7.05	384,825	7.21	-2.13
Microsoft-HTTPAPI	219,921	4.08	220,670	4.13	-1.36
cloudflare-nginx	84,461	1.57	83,047	1.56	0.66
IdeaWebServer	50,786	0.94	33,787	0.63	48.77
Apache-Coyote	50,709	0.94	51,547	0.97	-2.64
LiteSpeed	39,216	0.73	38,352	0.72	1.20
BigIP	23,329	0.43	22,765	0.43	1.42
openresty	16,568	0.31	15,458	0.29	6.08
AkamaiGHost	13,989	0.26	14,900	0.28	-7.08
Tengine	9,537	0.18	8,661	0.16	8.98
Flywheel	8,952	0.17	8,623	0.16	2.75
lighttpd	8,417	0.16	8,581	0.16	-2.92
CloudFront	7,564	0.14	6,014	0.11	24.48
WWW	6,866	0.13	7,164	0.13	-5.14
IIS	6,347	0.12	6,190	0.12	1.48
wts	5,974	0.11	5,521	0.10	7.09
squid	5,336	0.10	5,559	0.10	-5.00
Lotus-Domino	5,181	0.10	5,226	0.10	-1.88
A	4,674	0.09	5,836	0.11	-20.73
Safedog	4,627	0.09	4,919	0.09	-6.90
Varnish	4,440	0.08	4,616	0.09	-4.80
AmazonS3	4,353	0.08	3,707	0.07	16.22
kangle	3,910	0.07	3,588	0.07	7.85
Cowboy	3,583	0.07	3,689	0.07	-3.87
sffe	3,384	0.06	3,418	0.06	-2.01
EZproxy	2,699	0.05	2,738	0.05	-2.44
nginx-reuseport	2,350	0.04	2,276	0.04	2.19
nginx-upupw	2,091	0.04	1,499	0.03	38.06
Resin	1,815	0.03	1,855	0.03	-3.16
Pantheon	1,776	0.03	1,866	0.03	-5.80
YxlinkWAF	1,655	0.03	1,503	0.03	8.98
Zope	1,632	0.03	1,663	0.03	-2.87
IBM_HTTP_Server	1,587	0.03	1,651	0.03	-4.86
Destiny	1,529	0.03	1,693	0.03	-10.62
GSYQ	1,354	0.03	806	0.02	66.26
WDaemon	1,231	0.02	1,257	0.02	-3.08
XtendWeb-nginx	1,206	0.02	330	0.01	261.70
-	1,203	0.02	1,238	0.02	-3.83
GlassFish	1,196	0.02	1,187	0.02	-0.28
IceWarp	1,148	0.02	1,152	0.02	-1.37
Oracle-Application-Server-10g	1,073	0.02	1,101	0.02	-3.54
III	1,004	0.02	1,035	0.02	-3.99
xServers	988	0.02	981	0.02	-0.32
ScreenConnect	933	0.02	921	0.02	0.26
Caddy	933	0.02	859	0.02	7.50
ws-httpd	886	0.02	879	0.02	-0.24
Rumpus	829	0.02	838	0.02	-2.09
CHO	777	0.01	771	0.01	-0.26
Bomgar	767	0.01	773	0.01	-1.80
Web	766	0.01	727	0.01	4.28
Icecast	763	0.01	750	0.01	0.69
Oracle-Application-Server-11g	696	0.01	695	0.01	-0.89
PWS	678	0.01	818	0.02	-17.97
Cougar	653	0.01	674	0.01	-4.11
Nginx	645	0.01	617	0.01	3.46
EdgePrism	645	0.01	521	0.01	22.53
Server	634	0.01	614	0.01	2.20
WAF	612	0.01	521	0.01	16.26
ATS	604	0.01	691	0.01	-13.49
Protected	592	0.01	608	0.01	-3.63
*****************	579	0.01	596	0.01	-3.85
thttpd	541	0.01	533	0.01	0.46
WebServer	540	0.01	531	0.01	0.65
TWebAP	510	0.01	508	0.01	-0.64
redir-httpd	500	0.01	499	0.01	-0.83
CommuniGatePro	489	0.01	491	0.01	-1.43
VWebServer	488	0.01	466	0.01	3.64
httpd	486	0.01	496	0.01	-3.02
WowzaStreamingEngine	485	0.01	492	0.01	-2.44
Oracle	480	0.01	481	0.01	-1.23
Boa	474	0.01	481	0.01	-2.47
yunjiasu-nginx	463	0.01	450	0.01	1.83
Firewall	463	0.01	0	0.00	N/A
Pagely	435	0.01	430	0.01	0.12
Sun	425	0.01	448	0.01	-6.11
SonicWALL	409	0.01	409	0.01	-1.03
AliyunOSS	405	0.01	392	0.01	2.25
360wzws	404	0.01	357	0.01	12.00
QRATOR	398	0.01	401	0.01	-1.77
cc-web	395	0.01	388	0.01	0.76
WildFly	391	0.01	375	0.01	3.19
1	387	0.01	416	0.01	-7.93
Sun-ONE-Web-Server	380	0.01	381	0.01	-1.29
GSHD	378	0.01	572	0.01	-34.60
Zeus	368	0.01	383	0.01	-4.90
LRBD-0aa38c4	367	0.01	0	0.00	N/A
Oracle-iPlanet-Web-Server	363	0.01	377	0.01	-4.70
Google	350	0.01	355	0.01	-2.42
Werkzeug	349	0.01	344	0.01	0.41
Footprint	339	0.01	391	0.01	-14.19
ghs	336	0.01	345	0.01	-3.61
gunicorn	331	0.01	331	0.01	-1.03
Abyss	329	0.01	327	0.01	-0.42
Cherokee	317	0.01	320	0.01	-1.96
ECAcc	314	0.01	0	0.00	N/A
ECS	313	0.01	0	0.00	N/A
NginxPlus	312	0.01	309	0.01	-0.07

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.