配置404页面会造成系统性能下降吗
我想问一下，一个网站启动了404页面是不是会造成系统性能的下降，换句话来说就是配置404页面，启动之后需不需要占用一些系统的性能，比如系统内存等等，比如网站 www.nehosoft.com，需要配置404页面吗？
回复讨论(解决方案)
请大神给我解答解答。
咋没人回答的呢？
web 服务器都有预置的 404 页面，是一个静态页面，你可以更改你面的内容
如果你需要在 404 页面中显示动态内容，那么就需要设置 404 的目标页面，而编写相关程序
无论是否是 404，服务器总是要返回一个页面。所以不存在性能下降、占用额外资源的问题
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