You are viewing an outdated report.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) 63,170,057 hostnames, but only 4,450,659 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	May 2022 Count	May 2022 %	April 2022 Count	April 2022 %	Growth %
Apache	1,629,818	36.62	1,655,165	36.73	-0.30
nginx	1,417,254	31.84	1,423,833	31.60	0.79
null	378,337	8.50	388,128	8.61	-1.30
Microsoft-IIS	315,818	7.10	322,953	7.17	-0.98
Microsoft-HTTPAPI	187,524	4.21	192,005	4.26	-1.11
cloudflare	103,290	2.32	103,236	2.29	1.31
LiteSpeed	70,878	1.59	79,021	1.75	-9.18
Nginx	40,250	0.90	43,351	0.96	-5.99
awselb	30,788	0.69	32,684	0.73	-4.62
BigIP	26,504	0.60	26,669	0.59	0.63
IdeaWebServer	24,145	0.54	36,508	0.81	-33.03
imunify360-webshield	23,461	0.53	0	0.00	N/A
openresty	22,923	0.52	22,540	0.50	2.97
AmazonS3	18,525	0.42	18,389	0.41	2.00
AkamaiGHost	16,799	0.38	17,940	0.40	-5.19
Tengine	13,353	0.30	14,095	0.31	-4.08
Apache-Coyote	12,719	0.29	13,090	0.29	-1.62
CloudFront	8,210	0.18	8,298	0.18	0.18
nginx-rc	6,535	0.15	6,521	0.14	1.47
wts	5,203	0.12	5,203	0.12	1.25
Caddy	4,111	0.09	4,109	0.09	1.30
nginx-reuseport	4,000	0.09	4,011	0.09	0.98
Flywheel	3,679	0.08	3,956	0.09	-5.84
Varnish	3,575	0.08	3,632	0.08	-0.34
lighttpd	3,316	0.07	3,341	0.07	0.50
Microsoft-Azure-Application-Gateway	3,075	0.07	2,998	0.07	3.85
BitNinja	2,829	0.06	702	0.02	308.04
EZproxy	2,257	0.05	2,272	0.05	0.59
Lotus-Domino	2,018	0.05	2,063	0.05	-0.95
scl	1,867	0.04	1,908	0.04	-0.92
Safedog	1,413	0.03	1,382	0.03	3.53
ddos-guard	1,287	0.03	1,190	0.03	9.51
Kestrel	1,167	0.03	1,241	0.03	-4.78
AliyunOSS	1,069	0.02	1,042	0.02	3.88
Server	1,054	0.02	1,098	0.02	-2.80
Icecast	945	0.02	950	0.02	0.72
squid	892	0.02	907	0.02	-0.42
o2switch-PowerBoost-v3	812	0.02	805	0.02	2.13
WWW	756	0.02	771	0.02	-0.72
-	719	0.02	705	0.02	3.26
Firewall	717	0.02	723	0.02	0.41
IceWarp	713	0.02	726	0.02	-0.56
kangle	639	0.01	652	0.01	-0.77
QRATOR	599	0.01	560	0.01	8.31
sffe	538	0.01	542	0.01	0.51
******	530	0.01	515	0.01	4.20
aruba-proxy	505	0.01	505	0.01	1.25
Destiny	505	0.01	508	0.01	0.66
OpenBSD	502	0.01	506	0.01	0.45
WDaemon	489	0.01	497	0.01	-0.38
elb	472	0.01	465	0.01	2.78
ScreenConnect	467	0.01	481	0.01	-1.69
redir-httpd	462	0.01	463	0.01	1.04
CHO	449	0.01	453	0.01	0.36
*********	447	0.01	457	0.01	-0.96
istio-envoy	445	0.01	393	0.01	14.65
IIS	438	0.01	439	0.01	1.02
WVS	428	0.01	418	0.01	3.68
ATS	423	0.01	390	0.01	9.82
GlassFish	420	0.01	446	0.01	-4.65
ECAcc	418	0.01	416	0.01	1.74
Web	401	0.01	411	0.01	-1.21
Resin	397	0.01	422	0.01	-4.74
yunjiasu	365	0.01	352	0.01	4.99
Zope	361	0.01	369	0.01	-0.94
eClass	355	0.01	356	0.01	0.97
CloudWAF	354	0.01	317	0.01	13.07
envoy	350	0.01	342	0.01	3.62
none	339	0.01	334	0.01	2.77
UploadServer	332	0.01	334	0.01	0.65
Google	329	0.01	327	0.01	1.87
web	325	0.01	324	0.01	1.57
stgw	318	0.01	305	0.01	5.57
cloudflare-nginx	318	0.01	318	0.01	1.25
cc-web	317	0.01	317	0.01	1.25
bd-0.1.12	317	0.01	0	0.00	N/A
rdwr	315	0.01	317	0.01	0.61
Windows-Azure-Blob	314	0.01	318	0.01	-0.02
Rumpus	303	0.01	310	0.01	-1.03
Oracle-Application-Server-10g	295	0.01	306	0.01	-2.39
ghs	291	0.01	278	0.01	5.99
ddosx	288	0.01	282	0.01	3.41
myracloud	281	0.01	276	0.01	3.09
4D	279	0.01	278	0.01	1.62
bfe	272	0.01	274	0.01	0.51
TencentWAF	265	0.01	257	0.01	4.41
MageStack-MagentoOS	261	0.01	264	0.01	0.10
VWebServer	252	0.01	279	0.01	-8.54
Netscape-Enterprise	252	0.01	256	0.01	-0.33
CommuniGatePro	249	0.01	255	0.01	-1.13
WAF	248	0.01	265	0.01	-5.24
PowerSchool	245	0.01	243	0.01	2.09
ldweb	244	0.01	238	0.01	3.81
awex	243	0.01	244	0.01	0.84
Werkzeug	235	0.01	236	0.01	0.82
FlowBalancer	230	0.01	230	0.01	1.25
WildFly	226	0.01	227	0.01	0.81
wits	225	0.01	240	0.01	-5.07
SY8045	214	0.00	218	0.00	-0.60
ECS	214	0.00	219	0.00	-1.06

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.