Web servers globally: market share ranking

Server software announced in response headers.

#	Technology	Global	United Kingdom	Netherlands	Italy	Spain	Japan	Latin America
1	nginx	18%	13%	21%	22%	23%	33%	15%
2	Apache HTTP Server	9.5%	12%	15%	19%	20%	37%	18%
3	Varnish	4.9%	5.1%	2.4%	4.5%	2.5%	1.5%	1.8%
4	Envoy	2.2%	0.9%	2%	0.8%	1.6%	0.5%	1.7%
5	Microsoft IIS	2.1%	2.9%	1.7%	3.6%	2.3%	1.5%	3.3%
6	LiteSpeed	2.1%	4.2%	4.4%	3.1%	3%	0.9%	6.3%
7	OpenResty	1.4%	0.4%	0.5%	0.6%	0.5%	1.3%	1.1%
8	Tengine	0.5%	<0.1%	0%	<0.1%	<0.1%	<0.1%	<0.1%
9	Caddy	0.2%	0.1%	0.2%	<0.1%	0.2%	<0.1%	<0.1%
10	Kestrel	0.1%	0.2%	0.2%	0.1%	<0.1%	<0.1%	0.4%
11	Gunicorn	<0.1%	<0.1%	<0.1%	<0.1%	<0.1%	<0.1%	<0.1%

By site popularity

Share of measured sites in each Tranco popularity band that use the technology: the top 1,000, 10,000 and 100,000 sites and the whole top million.

#	Technology	Top 1K	Top 10K	Top 100K
1	nginx	16%	18%	18%
2	Apache HTTP Server	4%	7.3%	9.5%
3	Varnish	8.8%	6.5%	4.9%
4	Envoy	7.6%	3.8%	2.2%
5	OpenResty	1.4%	1.7%	1.4%
6	LiteSpeed	0.5%	1.1%	2.1%
7	Tengine	2.4%	0.9%	0.5%
8	Microsoft IIS	0%	0.6%	2.1%
9	Kestrel	0.2%	0.1%	0.1%
10	Caddy	0.2%	<0.1%	0.2%
11	Gunicorn	0.2%	<0.1%	<0.1%
	Sites measured	582	6,676	68,774

Our crawler: 68,774 sites · Global · updated 13 Nov 2026 · Methodology