You are viewing an outdated report. The latest version of this report was published on October 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) 62,248,074 hostnames, but only 4,586,420 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	January 2022 Count	January 2022 %	December 2021 Count	December 2021 %	Growth %
Apache	1,731,918	37.76	1,745,836	38.05	-0.76
nginx	1,405,669	30.65	1,393,151	30.36	0.94
null	388,217	8.46	380,085	8.28	2.18
Microsoft-IIS	347,664	7.58	353,642	7.71	-1.65
Microsoft-HTTPAPI	189,807	4.14	191,436	4.17	-0.81
cloudflare	99,429	2.17	99,468	2.17	0.00
LiteSpeed	73,741	1.61	72,863	1.59	1.25
Nginx	48,325	1.05	48,029	1.05	0.66
IdeaWebServer	37,359	0.81	37,502	0.82	-0.34
awselb	30,398	0.66	30,189	0.66	0.73
BigIP	27,335	0.60	27,463	0.60	-0.43
openresty	21,331	0.47	21,326	0.46	0.06
AmazonS3	17,265	0.38	17,215	0.38	0.33
AkamaiGHost	16,525	0.36	17,616	0.38	-6.16
Tengine	16,149	0.35	16,311	0.36	-0.95
Apache-Coyote	14,210	0.31	14,543	0.32	-2.25
CloudFront	7,536	0.16	7,485	0.16	0.72
nginx-rc	6,292	0.14	6,320	0.14	-0.40
Flywheel	5,596	0.12	5,673	0.12	-1.32
wts	5,236	0.11	5,292	0.12	-1.02
nginx-reuseport	4,051	0.09	4,047	0.09	0.14
Caddy	3,883	0.08	3,842	0.08	1.11
aeserver	3,698	0.08	3,601	0.08	2.73
Varnish	3,590	0.08	3,573	0.08	0.52
lighttpd	3,560	0.08	3,608	0.08	-1.29
Microsoft-Azure-Application-Gateway	2,435	0.05	2,417	0.05	0.78
EZproxy	2,328	0.05	2,351	0.05	-0.94
Lotus-Domino	2,188	0.05	2,233	0.05	-1.98
scl	1,897	0.04	1,828	0.04	3.82
Server	1,114	0.02	1,132	0.02	-1.55
Kestrel	1,080	0.02	1,087	0.02	-0.60
AliyunOSS	1,076	0.02	1,071	0.02	0.51
Icecast	984	0.02	997	0.02	-1.26
Safedog	936	0.02	1,085	0.02	-13.70
squid	926	0.02	928	0.02	-0.18
ddos-guard	895	0.02	885	0.02	1.17
WWW	829	0.02	724	0.02	14.55
o2switch-PowerBoost-v3	766	0.02	762	0.02	0.57
IceWarp	746	0.02	744	0.02	0.31
kangle	672	0.01	714	0.02	-5.84
******	655	0.01	672	0.01	-2.49
Firewall	646	0.01	423	0.01	52.78
WDaemon	532	0.01	543	0.01	-1.99
-	532	0.01	649	0.01	-18.00
Destiny	524	0.01	521	0.01	0.62
aruba-proxy	504	0.01	504	0.01	0.04
OpenBSD	500	0.01	493	0.01	1.46
ATS	500	0.01	516	0.01	-3.06
sffe	499	0.01	483	0.01	3.35
ScreenConnect	494	0.01	496	0.01	-0.36
GlassFish	470	0.01	482	0.01	-2.45
redir-httpd	469	0.01	469	0.01	0.04
CHO	467	0.01	468	0.01	-0.17
IIS	466	0.01	486	0.01	-4.08
VWebServer	452	0.01	463	0.01	-2.34
yunjiasu	449	0.01	510	0.01	-11.93
Resin	446	0.01	455	0.01	-1.94
QRATOR	445	0.01	455	0.01	-2.16
elb	431	0.01	425	0.01	1.45
Web	428	0.01	428	0.01	0.04
WVS	412	0.01	406	0.01	1.52
ECAcc	409	0.01	411	0.01	-0.45
Zope	405	0.01	414	0.01	-2.13
envoy	375	0.01	372	0.01	0.85
Swan	375	0.01	376	0.01	-0.23
web	371	0.01	377	0.01	-1.55
istio-envoy	355	0.01	336	0.01	5.70
EdgePrism	349	0.01	344	0.01	1.49
eClass	346	0.01	343	0.01	0.91
cloudflare-nginx	341	0.01	344	0.01	-0.83
Oracle-Application-Server-10g	330	0.01	335	0.01	-1.45
UploadServer	329	0.01	331	0.01	-0.56
Rumpus	329	0.01	331	0.01	-0.56
cc-web	328	0.01	331	0.01	-0.87
LRBD-8e877ac	318	0.01	320	0.01	-0.59
none	309	0.01	306	0.01	1.02
Windows-Azure-Blob	308	0.01	301	0.01	2.37
ddosx	291	0.01	291	0.01	0.04
ghs	281	0.01	281	0.01	0.04
4D	280	0.01	283	0.01	-1.02
rdwr	274	0.01	250	0.01	9.64
Netscape-Enterprise	273	0.01	277	0.01	-1.40
CloudWAF	272	0.01	265	0.01	2.68
WAF	271	0.01	265	0.01	2.30
MageStack-MagentoOS	271	0.01	273	0.01	-0.69
CommuniGatePro	269	0.01	269	0.01	0.04
myracloud	263	0.01	261	0.01	0.81
bfe	262	0.01	268	0.01	-2.20
kittenx	261	0.01	258	0.01	1.20
IBM_HTTP_Server	254	0.01	260	0.01	-2.27
awex	252	0.01	251	0.01	0.44
WildFly	246	0.01	255	0.01	-3.49
uvicorn	235	0.01	258	0.01	-8.88
ldweb	231	0.01	225	0.00	2.71
FlowBalancer	231	0.01	230	0.01	0.47
Werkzeug	228	0.00	235	0.01	-2.94
wits	227	0.00	0	0.00	N/A
WowzaStreamingEngine	224	0.00	228	0.00	-1.72
ECS	223	0.00	226	0.00	-1.29
ias	217	0.00	273	0.01	-20.48

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.