You are viewing an outdated report. The latest version of this report was published on April 1st, 2025

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) 62,237,364 hostnames, but only 4,938,709 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	June 2016 Count	June 2016 %	May 2016 Count	May 2016 %	Growth %
Apache	2,483,745	50.29	2,496,303	50.62	-0.65
Microsoft-IIS	750,284	15.19	749,292	15.19	-0.02
nginx	725,497	14.69	710,574	14.41	1.95
null	359,601	7.28	357,885	7.26	0.33
Microsoft-HTTPAPI	183,934	3.72	179,996	3.65	2.04
cloudflare-nginx	73,098	1.48	71,404	1.45	2.22
Apache-Coyote	54,307	1.10	54,503	1.11	-0.51
IdeaWebServer	47,524	0.96	46,801	0.95	1.39
LiteSpeed	32,815	0.66	31,973	0.65	2.48
BigIP	18,468	0.37	17,930	0.36	2.85
IIS	11,465	0.23	12,338	0.25	-7.21
lighttpd	10,617	0.21	12,495	0.25	-15.16
AkamaiGHost	10,219	0.21	11,480	0.23	-11.12
squid	8,867	0.18	9,108	0.18	-2.79
A	6,360	0.13	6,193	0.13	2.54
Tengine	6,165	0.12	6,191	0.13	-0.57
WWW	5,842	0.12	5,507	0.11	5.92
Lotus-Domino	5,809	0.12	5,837	0.12	-0.63
Flywheel	4,890	0.10	4,595	0.09	6.26
Rapidsite	4,560	0.09	4,578	0.09	-0.54
Cowboy	4,501	0.09	4,484	0.09	0.23
Safedog	4,496	0.09	4,314	0.09	4.06
Varnish	3,801	0.08	3,695	0.07	2.72
wts	3,552	0.07	3,327	0.07	6.60
sffe	3,286	0.07	4,329	0.09	-24.21
openresty	3,083	0.06	2,940	0.06	4.71
kangle	3,007	0.06	2,916	0.06	2.97
AmazonS3	2,840	0.06	2,974	0.06	-4.65
GSHD	2,719	0.06	3,637	0.07	-25.35
EZproxy	2,616	0.05	2,611	0.05	0.04
IBM_HTTP_Server	2,165	0.04	2,200	0.04	-1.74
CloudFront	2,107	0.04	2,459	0.05	-14.44
Resin	2,091	0.04	2,096	0.04	-0.39
Zope	1,863	0.04	1,882	0.04	-1.16
-	1,661	0.03	1,727	0.04	-3.97
Destiny	1,577	0.03	1,611	0.03	-2.26
WDaemon	1,399	0.03	1,417	0.03	-1.42
Black	1,368	0.03	857	0.02	59.39
Oracle-Application-Server-10g	1,348	0.03	1,376	0.03	-2.18
nginx-reuseport	1,321	0.03	1,224	0.02	7.76
xServers	1,287	0.03	1,258	0.03	2.15
Pantheon	1,283	0.03	1,225	0.02	4.58
IceWarp	1,196	0.02	1,213	0.02	-1.55
GlassFish	1,126	0.02	1,122	0.02	0.21
III	1,093	0.02	1,100	0.02	-0.78
YxlinkWAF	1,040	0.02	985	0.02	5.43
Cougar	906	0.02	938	0.02	-3.56
Rumpus	888	0.02	914	0.02	-2.99
Web	855	0.02	843	0.02	1.27
ScreenConnect	825	0.02	812	0.02	1.45
Oracle-Application-Server-11g	793	0.02	800	0.02	-1.02
Bomgar	792	0.02	797	0.02	-0.78
PWS	733	0.01	733	0.01	-0.15
EdgePrism	723	0.01	705	0.01	2.40
CHO	720	0.01	707	0.01	1.69
NetBox	696	0.01	1,040	0.02	-33.18
ATS	685	0.01	657	0.01	4.11
thttpd	633	0.01	657	0.01	-3.80
WebServer	630	0.01	636	0.01	-1.09
httpd	591	0.01	600	0.01	-1.65
ws-httpd	586	0.01	563	0.01	3.93
Oracle	570	0.01	562	0.01	1.27
*****************	559	0.01	580	0.01	-3.76
Protected	555	0.01	486	0.01	14.03
Boa	552	0.01	585	0.01	-5.78
CommuniGatePro	549	0.01	551	0.01	-0.51
Nginx-VPSSIM	546	0.01	500	0.01	9.04
Icecast	531	0.01	524	0.01	1.18
kisa	529	0.01	520	0.01	1.58
Sun-ONE-Web-Server	510	0.01	535	0.01	-4.82
Oracle-iPlanet-Web-Server	503	0.01	479	0.01	4.85
Server	496	0.01	472	0.01	4.93
redir-httpd	493	0.01	489	0.01	0.67
Sun	481	0.01	479	0.01	0.27
Zeus	470	0.01	463	0.01	1.36
yunjiasu-nginx	441	0.01	436	0.01	1.00
YUNDUN	438	0.01	400	0.01	9.34
WowzaStreamingEngine	427	0.01	439	0.01	-2.88
TWebAP	426	0.01	405	0.01	5.03
Cherokee	422	0.01	434	0.01	-2.91
SonicWALL	411	0.01	405	0.01	1.33
Google	402	0.01	403	0.01	-0.40
1	390	0.01	383	0.01	1.68
QRATOR	388	0.01	379	0.01	2.22
cc-web	355	0.01	351	0.01	0.99
NginxPlus	354	0.01	370	0.01	-4.47
Apache-AdvancedExtranetServer	348	0.01	365	0.01	-4.80
gunicorn	338	0.01	338	0.01	-0.15
GWS	334	0.01	343	0.01	-2.77
Unknown	331	0.01	351	0.01	-5.84
Netscape-Enterprise	321	0.01	336	0.01	-4.61
Jetty	320	0.01	327	0.01	-2.29
Abyss	314	0.01	320	0.01	-2.02
smartcds	304	0.01	0	0.00	N/A
SAP	304	0.01	309	0.01	-1.77
Footprint	296	0.01	0	0.00	N/A
Jetty(8.1.12.v20130726)	294	0.01	0	0.00	N/A
ngx_openresty	291	0.01	304	0.01	-4.42
VWebServer	291	0.01	0	0.00	N/A
ghs	290	0.01	285	0.01	1.60

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.