为网站添加图标和收藏夹图标
制作一个16X16的图标
<link rel="icon" href="/test.ico" type="image/x-icon" />
<link rel="shortcut icon" href="/test.ico" type="image/x-icon" />
<link rel="icon" href="/test.ico" type="image/x-icon" />
<link rel="shortcut icon" href="/test.ico" type="image/x-icon" />