The stdicon service hosts icons for lots of filetypes that you can use and link to. It lets developers use a file extention like /html, a filename like /movie.avi, or a mimetype like application/pdf or choose from a specific set like /neu/html or combine them like /neu/image/png. You can also use the ?size=16 to get a consistent size of icons, and the ?default=http%3a%2f%2fmetaward.com%2ffavicon.ico to force a default instead of an HTTP 404.
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