If I serve /favicon.ico as image/vnd.microsoft.icon, instead of image/x-icon, will it break on any browsers?

internet-explorer-6 mime-types favicon
Kip picture Kip · Sep 18, 2009 · Viewed 13.3k times · Source

If I configure Apache to serve /favicon.ico as MIME type image/vnd.microsoft.icon, instead of image/x-icon, will it break on any browsers? Wikipedia's favicon article indicates that image/vnd.microsoft.icon is the "correct" mime type, but that doesn't help if it means some users won't see it.

I need to support IE6+, as well as modern browsers (FF/Chrome/Opera/Safari).

Answer

TRiG picture TRiG · Mar 1, 2010

Off the top of my head, image/vnd.microsoft.icon will work only if the image actually is a real ICO file, while image/x-icon is less fussy, and will also work for bitmaps and GIF images. (Non-ICO files with the .ico file extension are, I believe, quite common.)

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