将favicon和apple touch图标移动到子文件夹会有问题吗？
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雅虎Best Practices for Speeding Up Your Web Site引用：
The favicon.ico is an image that stays
in the root of your server. It’s a
necessary evil because even if you
don’t care about it the browser will
still request it,so it’s better not
to respond with a 404 Not Found. Also
since it’s on the same server,cookies
are sent every time it’s requested.
This image also interferes with the
download sequence,for example in IE
when you request extra components in
the onload,the favicon will be
downloaded before these extra
components.
