几种Web服务器比较 (Apache、IIS、Lighttpd、Nginx、LiteSpeed、Zeus)

注意到有这款服务器nginx。没听过，一查有了下文。其中有一个还是听过的。对照翻译了下文。
Apache and IIS are the most common web servers in use today, but they are far from alone. There is a huge amount of web server software out there, both free and commercial.
到目前，Apache和IIS是用的最为普遍的Web服务器，但是它们太过单一，在此之外这里还有许多Web服务器软件，或是免费的或是商业的。
In this article we present four popular alternative web servers: Lighttpd, Nginx, LiteSpeed and Zeus. The first two are free and open source while the other two are commercial, closed-source alternatives. What they all have in common is that they focus on high performance.
本文我们介绍四种最受欢迎的Web服务器： Lighttpd, Nginx, LiteSpeed 和 Zeus。 前两个都是免费且开源的，而另两种都是商业的，闭源的。它们的共同点在于都着重于高性能上。
We will also take a look at how many websites are actually using these web servers.
我们看看有多少网站实际上在使用它们。

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