Web Server Usage Distribution in the Top 1 Million Sites

Distribution for websites using Web Server technologies

Technology	Websites	%
nginx	363,379	36.34
Apache	310,215	31.02
IIS	98,445	9.84
LiteSpeed	58,120	5.81
Varnish	40,430	4.04
Amazon ALB	20,649	2.06
Citrix NetScaler	17,844	1.78
BIG-IP	13,004	1.3
Caddy	10,327	1.03
Phusion Passenger	8,039	0.8
Apache Tomcat Coyote	7,547	0.75
Rack Cache	6,661	0.67
Tengine	5,973	0.6
Cowboy	5,838	0.58
Application Request Routing	5,404	0.54
Kestrel	5,119	0.51
mod_wsgi	2,305	0.23
Jetty	2,184	0.22
lighttpd	2,173	0.22
Apache Traffic Server	2,172	0.22
Microsoft Personal Web Server	1,643	0.16
Google Web Server	1,362	0.14
JBoss	1,122	0.11
Lotus Domino	814	0.08
H2O Webserver	637	0.06
Oracle HTTP Server	621	0.06
Resin	468	0.05
Ice Warp	435	0.04
ZServer	428	0.04
Oracle Application Server	364	0.04
Web Brick	275	0.03
MailEnable	240	0.02
Sun ONE Web Server	225	0.02
Communi Gate Pro	187	0.02
IBM HTTP Server	184	0.02
Uvicorn	152	0.02
nweb	115	0.01
OpenBSD httpd	106	0.01
Kangle	105	0.01
Cherokee	96	0.01
JRun	91	0.01
NCSA HTTPd	91	0.01
Spartan Web Server	90	0.01
Zeus	85	0.01
Netscape Enterprise Server	79	0.01
Poool	78	0.01
micro_httpd	75	0.01
Yet Another Web Server	72	0.01
thttpd	66	0.01
OracleAS Web Cache	65	0.01
G-WAN	64	0.01
Oracle GlassFish	54	0.01
Mod Layout	46	0
ISA Web Publishing Load Balancer	39	0
Websphere Application Server	26	0
H2O	22	0
Sun Java System	19	0
Deno Deploy	15	0
AOL Server	14	0
Nghttp2	12	0
Allegro Serve	11	0
Frontier	8	0
WebStar 4d	7	0
Juniper Networks Application Acceleration Platform	7	0
Weblogic	6	0
WebServer X	5	0
Caudium	3	0
WebtoB	3	0
Oracle WebLogic	3	0
Web Site Pro	2	0
Gatling	2	0
Web Crossing	2	0
Netscape Commerce	2	0
Mongrel2	1	0
Cheyenne	1	0
Netscape Fasttrack	1	0
Web Siphon	1	0