Asp.net MVC框架：为什么浏览器寻找的favicon.ico [英] Asp.net Mvc: why is browser looking for favicon.ico

问题描述

我知道有一个解决方案，以阻止MVC框架来处理的favicon.ico的要求（<一个href=\"http://stackoverflow.com/questions/4624190/mvc-does-the-favicon-ico-also-look-for-a-controller\">solution),但我不知道为什么它寻找在首位此图标。

I know there is a solution to stop the mvc framework to process "favicon.ico" requests (solution), but i don't know why is it looking for this icon in the first place.

我搜查文件>整个解决方案使用查找的favicon.ico 并没有被发现。

I searched using Find in Files > Entire Solution for favicon.ico and nothing was found.

我在搜索网页的HTML源文件code为的favicon.ico 并没有被发现。

I searched in the html source code of the website for favicon.ico and nothing was found.

在哪儿呢？为什么浏览器尝试为它服务？

Where is it? why the browser is trying to serve it?

推荐答案

的favicon.ico是的约定的 - 但是是的有一个的方式，浏览器可以得到图像链接，标签等：

favicon.ico is a convention - but is one way that the browser can get the image for links, tabs, etc:

请注意，这些天，图像位置，也可以在元数据（这是很方便的设置，因为它可以使图像以单页，而不是每个域，和/或允许从不同的位置为它服务，如作为一个CDN）：

Note that these days, the image location can also be set in metadata (which is handy as it allows the image to be per-page rather than per-domain, and/or allows for serving it from a different location, such as a CDN):

<link rel="shortcut icon" href="//cdn.sstatic.net/stackoverflow/img/favicon.ico">
<link rel="apple-touch-icon image_src" href="//cdn.sstatic.net/stackoverflow/img/apple-touch-icon.png">

不过，/favicon.ico是回退，并且被许多旧的浏览器 - 或者没有指定明确的快捷方式图标

However, "/favicon.ico" is the fallback, and is used by many old browsers - or where no explicit shortcut icon is specified.

基本上：去创建一个

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