You are viewing an outdated report.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) 61,478,196 hostnames, but only 5,117,259 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	August 2020 Count	August 2020 %	July 2020 Count	July 2020 %	Growth %
Apache	2,107,866	41.19	2,105,273	41.03	0.40
nginx	1,266,807	24.76	1,262,217	24.60	0.64
Microsoft-IIS	582,041	11.37	593,414	11.56	-1.65
null	341,130	6.67	341,796	6.66	0.08
Microsoft-HTTPAPI	232,665	4.55	239,420	4.67	-2.56
cloudflare	139,965	2.74	143,795	2.80	-2.40
LiteSpeed	67,155	1.31	66,331	1.29	1.52
Nginx	57,504	1.12	54,102	1.05	6.58
IdeaWebServer	41,645	0.81	41,766	0.81	-0.02
BigIP	29,831	0.58	29,746	0.58	0.56
Tengine	27,444	0.54	30,552	0.60	-9.93
Apache-Coyote	22,287	0.44	22,973	0.45	-2.72
openresty	22,044	0.43	21,729	0.42	1.73
awselb	19,592	0.38	18,876	0.37	4.08
AkamaiGHost	18,976	0.37	19,766	0.39	-3.73
AmazonS3	12,101	0.24	11,828	0.23	2.59
Flywheel	7,546	0.15	7,713	0.15	-1.90
CloudFront	6,999	0.14	5,572	0.11	25.95
nginx-rc	5,016	0.10	4,914	0.10	2.35
wts	4,587	0.09	5,318	0.10	-13.51
lighttpd	4,507	0.09	4,558	0.09	-0.85
Varnish	4,211	0.08	4,149	0.08	1.77
nginx-reuseport	4,143	0.08	4,140	0.08	0.35
Lotus-Domino	2,857	0.06	2,858	0.06	0.24
Caddy	2,789	0.05	2,758	0.05	1.40
EZproxy	2,586	0.05	2,586	0.05	0.27
WWW	2,341	0.05	2,093	0.04	12.15
kangle	1,935	0.04	1,841	0.04	5.39
Safedog	1,617	0.03	1,825	0.04	-11.16
Firewall	1,326	0.03	1,453	0.03	-8.49
Cowboy	1,321	0.03	1,304	0.03	1.58
squid	1,224	0.02	1,237	0.02	-0.78
ws-httpd	1,155	0.02	1,155	0.02	0.27
Server	1,152	0.02	1,150	0.02	0.45
AliyunOSS	1,085	0.02	1,060	0.02	2.64
scl	1,061	0.02	1,073	0.02	-0.85
Microsoft-Azure-Application-Gateway	1,014	0.02	935	0.02	8.75
Resin	992	0.02	1,001	0.02	-0.63
IIS	990	0.02	1,023	0.02	-2.96
Icecast	874	0.02	875	0.02	0.16
IceWarp	849	0.02	853	0.02	-0.20
VWebServer	793	0.02	802	0.02	-0.85
WDaemon	784	0.02	783	0.02	0.40
Destiny	720	0.01	713	0.01	1.26
GlassFish	689	0.01	685	0.01	0.86
Kestrel	657	0.01	629	0.01	4.74
ddos-guard	636	0.01	616	0.01	3.53
CHO	615	0.01	619	0.01	-0.37
Zope	606	0.01	619	0.01	-1.83
ScreenConnect	603	0.01	606	0.01	-0.22
Prometheus	575	0.01	534	0.01	7.97
o2switch-PowerBoost-v3	574	0.01	565	0.01	1.87
-	569	0.01	545	0.01	4.69
ECAcc	551	0.01	547	0.01	1.01
nginx-clojure	529	0.01	573	0.01	-7.43
redir-httpd	486	0.01	487	0.01	0.07
ATS	481	0.01	512	0.01	-5.80
Oracle-Application-Server-10g	474	0.01	480	0.01	-0.98
OpenBSD	465	0.01	466	0.01	0.06
YxlinkWAF	461	0.01	484	0.01	-4.49
CentOS	460	0.01	459	0.01	0.49
EdgePrism	452	0.01	441	0.01	2.77
IBM_HTTP_Server	451	0.01	474	0.01	-4.59
sffe	448	0.01	517	0.01	-13.11
Rumpus	427	0.01	429	0.01	-0.19
QRATOR	419	0.01	424	0.01	-0.91
aruba-proxy	415	0.01	414	0.01	0.52
Web	409	0.01	387	0.01	5.97
III	380	0.01	388	0.01	-1.79
nginx-upupw	354	0.01	288	0.01	23.25
WildFly	353	0.01	350	0.01	1.13
cc-web	347	0.01	350	0.01	-0.59
cloudflare-nginx	343	0.01	336	0.01	2.36
web	340	0.01	304	0.01	12.15
4D	335	0.01	334	0.01	0.57
Protected	329	0.01	332	0.01	-0.63
shield	325	0.01	336	0.01	-3.01
UploadServer	325	0.01	322	0.01	1.21
ghs	323	0.01	324	0.01	-0.04
LRBD-0a25541	321	0.01	321	0.01	0.27
WAF	320	0.01	362	0.01	-11.36
CommuniGatePro	311	0.01	319	0.01	-2.24
MageStack-MagentoOS	306	0.01	310	0.01	-1.02
WowzaStreamingEngine	300	0.01	303	0.01	-0.72
Netscape-Enterprise	297	0.01	294	0.01	1.30
******	293	0.01	293	0.01	0.27
Werkzeug	284	0.01	296	0.01	-3.79
WebServer	276	0.01	274	0.01	1.01
bfe	273	0.01	265	0.01	3.30
unknown	270	0.01	272	0.01	-0.46
elb	263	0.01	260	0.01	1.43
ECS	260	0.01	264	0.01	-1.25
eClass	258	0.01	245	0.00	5.59
gvs	255	0.00	254	0.00	0.67
awex	254	0.00	253	0.00	0.67
Oracle-Application-Server-11g	253	0.00	262	0.01	-3.17
kittenx	248	0.00	0	0.00	N/A
SonicWALL	248	0.00	261	0.01	-4.72
ECD	248	0.00	251	0.00	-0.93
httpd	239	0.00	240	0.00	-0.14

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.