top 5 web servers for websites

Solution:

How to read the diagram:
Apache is used by 45.5% of all the websites whose web server we know.

Apache	45.5%
Nginx	39.7%
Microsoft-IIS	9.4%
LiteSpeed	3.4%
Google Servers	0.9%
Node.js	0.5%
Tomcat	0.5%
Apache Traffic Server	0.4%
IdeaWebServer	0.3%
Tengine	0.1%
Cowboy	0.1%
Lighttpd	0.1%