You are viewing an outdated report. The latest version of this report was published on January 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) 56,027,292 hostnames, but only 3,682,522 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	March 2024 Count	March 2024 %	February 2024 Count	February 2024 %	Growth %
Apache	1,299,192	35.28	1,328,405	35.62	-0.96
nginx	1,173,307	31.86	1,182,441	31.71	0.48
null	377,834	10.26	375,293	10.06	1.95
Microsoft-IIS	213,046	5.79	217,539	5.83	-0.83
Microsoft-HTTPAPI	126,975	3.45	125,281	3.36	2.63
cloudflare	102,265	2.78	102,515	2.75	1.02
LiteSpeed	84,442	2.29	87,304	2.34	-2.05
awselb	38,254	1.04	38,869	1.04	-0.34
IdeaWebServer	27,207	0.74	29,304	0.79	-5.98
BigIP	21,932	0.60	22,313	0.60	-0.46
Nginx	21,332	0.58	25,590	0.69	-15.58
openresty	20,944	0.57	22,227	0.60	-4.58
AmazonS3	20,027	0.54	20,220	0.54	0.30
CloudFront	19,610	0.53	19,706	0.53	0.77
AkamaiGHost	12,778	0.35	16,623	0.45	-22.16
Tengine	8,187	0.22	8,449	0.23	-1.88
imunify360-webshield	8,182	0.22	0	0.00	N/A
Apache-Coyote	7,133	0.19	7,277	0.20	-0.74
nginx-rc	6,362	0.17	6,393	0.17	0.77
Caddy	5,844	0.16	5,649	0.15	4.76
wts	4,645	0.13	4,677	0.13	0.57
Microsoft-Azure-Application-Gateway	4,586	0.12	4,527	0.12	2.58
nginx-reuseport	3,382	0.09	3,426	0.09	-0.04
Varnish	3,156	0.09	3,148	0.08	1.52
hcdn	2,487	0.07	1,289	0.03	95.38
lighttpd	2,477	0.07	2,531	0.07	-0.90
ddos-guard	2,393	0.06	2,361	0.06	2.64
Aws	2,278	0.06	2,335	0.06	-1.21
EZproxy	1,859	0.05	1,917	0.05	-1.80
F-WEB	1,588	0.04	1,580	0.04	1.78
Lotus-Domino	1,382	0.04	1,429	0.04	-2.07
AliyunOSS	1,242	0.03	1,226	0.03	2.59
o2switch-PowerBoost-v3	1,023	0.03	997	0.03	3.91
aruba-proxy	1,005	0.03	1,006	0.03	1.16
Server	980	0.03	959	0.03	3.48
Icecast	938	0.03	935	0.03	1.59
QRATOR	868	0.02	843	0.02	4.27
CloudWAF	817	0.02	814	0.02	1.64
squid	641	0.02	686	0.02	-5.38
rdwr	637	0.02	607	0.02	6.27
IceWarp	590	0.02	596	0.02	0.25
elb	541	0.01	538	0.01	1.83
namecheap-nginx	510	0.01	509	0.01	1.46
Web	495	0.01	502	0.01	-0.15
WWW	488	0.01	492	0.01	0.44
OpenBSD	481	0.01	483	0.01	0.85
******	481	0.01	486	0.01	0.22
scl	461	0.01	530	0.01	-11.92
stgw	457	0.01	459	0.01	0.82
ECAcc	451	0.01	454	0.01	0.60
istio-envoy	447	0.01	447	0.01	1.27
redir-httpd	444	0.01	444	0.01	1.27
Safedog	441	0.01	465	0.01	-3.96
Kestrel	440	0.01	442	0.01	0.81
envoy	439	0.01	438	0.01	1.50
sffe	424	0.01	431	0.01	-0.38
WVS	407	0.01	391	0.01	5.41
kangle	392	0.01	398	0.01	-0.26
Windows-Azure-Blob	383	0.01	373	0.01	3.98
WAF	381	0.01	259	0.01	48.97
none	377	0.01	385	0.01	-0.84
eClass	377	0.01	374	0.01	2.08
*********	340	0.01	342	0.01	0.67
WDaemon	320	0.01	323	0.01	0.32
ldweb	318	0.01	318	0.01	1.27
myracloud	314	0.01	311	0.01	2.24
Destiny	300	0.01	312	0.01	-2.63
web	299	0.01	273	0.01	10.91
UploadServer	298	0.01	294	0.01	2.64
ATS	297	0.01	246	0.01	22.26
IIS	292	0.01	288	0.01	2.67
cc-web	261	0.01	262	0.01	0.88
GlassFish	258	0.01	270	0.01	-3.24
Resin	252	0.01	260	0.01	-1.85
Google	252	0.01	267	0.01	-4.42
ScreenConnect	243	0.01	344	0.01	-28.47
ClausWeb-nginx	238	0.01	258	0.01	-6.58
CHO	236	0.01	350	0.01	-31.72
Odoo.sh	232	0.01	216	0.01	8.77
PowerSchool	230	0.01	234	0.01	-0.47
JSP3	229	0.01	220	0.01	5.41
FlowBalancer	227	0.01	227	0.01	1.27
awex	221	0.01	243	0.01	-7.90
Rumpus	217	0.01	219	0.01	0.34
ghs	214	0.01	214	0.01	1.27
ArvanCloud	212	0.01	212	0.01	1.27
HOSTVN.NET	208	0.01	224	0.01	-5.97
cdn	207	0.01	218	0.01	-3.84
Zope	201	0.01	207	0.01	-1.67
ddosx	200	0.01	209	0.01	-3.10
*	199	0.01	198	0.01	1.78
Fly	198	0.01	211	0.01	-4.97
volt-adc	197	0.01	0	0.00	N/A
Windows-Azure-Web	197	0.01	197	0.01	1.27
ECS	195	0.01	196	0.01	0.75
4D	193	0.01	204	0.01	-4.20
rhino-core-shield	186	0.01	190	0.01	-0.87
cmproxy	186	0.01	186	0.00	1.27
snow_adc	184	0.00	0	0.00	N/A
cloudflare-nginx	181	0.00	187	0.01	-1.98

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.