Server Usage Distribution in the Top 10k Sites

Distribution for websites using Server technologies

Technology	Websites	%
IPv6	6,712	67.12
Envoy	1,593	15.93
Ubuntu	1,415	14.15
OpenSSL	806	8.06
GitHub Hosting	518	5.18
Debian	449	4.49
CentOS	414	4.14
Unix	310	3.1
Red Hat Enterprise Linux	307	3.07
QUIC	256	2.56
Parallels Plesk Panel	207	2.07
mod_perl	92	0.92
Apache Tomcat JK	90	0.9
AlmaLinux	84	0.84
mod_ssl	79	0.79
mod_pagespeed	77	0.77
Fedora	55	0.55
FreeBSD	44	0.44
Win32 Header	42	0.42
Squid	28	0.28
Suhosin	12	0.12
Limiter Modules	10	0.1
Gentoo Linux	7	0.07
Alternate Protocol	5	0.05
Go Server	5	0.05
Joyent JWS	5	0.05
Hiawatha	4	0.04
HHVM	4	0.04
Cisco/Arrowpoint Content Service Switch	4	0.04
GZIP Module	2	0.02
PowerPC	2	0.02
Auth Passthrough	1	0.01
OpenGSE	1	0.01