Web Server Usage Distribution in the Top 1 Million Sites

Distribution for websites using Web Server technologies

Technology	Websites	%
nginx	340,752	34.08
Apache	325,103	32.51
IIS	106,801	10.68
LiteSpeed	69,890	6.99
Varnish	42,329	4.23
Amazon ALB	19,019	1.9
BIG-IP	13,746	1.37
Citrix NetScaler	11,102	1.11
Caddy	8,361	0.84
Apache Tomcat Coyote	8,260	0.83
Phusion Passenger	8,247	0.82
Rack Cache	7,031	0.7
Tengine	5,945	0.59
Cowboy	5,732	0.57
Application Request Routing	4,837	0.48
Kestrel	4,665	0.47
mod_wsgi	2,199	0.22
Jetty	1,926	0.19
lighttpd	1,862	0.19
Microsoft Personal Web Server	1,273	0.13
Apache Traffic Server	1,180	0.12
JBoss	1,031	0.1
Google Web Server	825	0.08
BOA	792	0.08
Lotus Domino	790	0.08
Oracle HTTP Server	646	0.06
Resin	571	0.06
ZServer	454	0.05
H2O Webserver	422	0.04
Oracle Application Server	371	0.04
Ice Warp	335	0.03
Web Brick	276	0.03
Sun ONE Web Server	236	0.02
Kangle	175	0.02
IBM HTTP Server	175	0.02
MailEnable	158	0.02
Communi Gate Pro	150	0.02
Uvicorn	103	0.01
Cherokee	91	0.01
nweb	90	0.01
Spartan Web Server	88	0.01
Netscape Enterprise Server	82	0.01
Zeus	79	0.01
OpenBSD httpd	74	0.01
Poool	72	0.01
micro_httpd	68	0.01
JRun	68	0.01
OracleAS Web Cache	63	0.01
thttpd	60	0.01
NCSA HTTPd	57	0.01
Oracle GlassFish	52	0.01
Mod Layout	43	0
ISA Web Publishing Load Balancer	42	0
Yet Another Web Server	40	0
G-WAN	37	0
Sun Java System	25	0
Websphere Application Server	24	0
Nghttp2	21	0
AOL Server	17	0
Allegro Serve	12	0
WebStar 4d	9	0
Frontier	8	0
WebServer X	8	0
Weblogic	7	0
Juniper Networks Application Acceleration Platform	6	0
WebtoB	5	0
Oracle WebLogic	4	0
Caudium	3	0
Web Site Pro	2	0
Gatling	2	0
Web Crossing	2	0
Mongrel2	1	0
Cheyenne	1	0
Netscape Fasttrack	1	0
Rapidsite	1	0