[1] Apple Developer Connection - Web Apps Dev Center - Designing Content (Apple Inc. 著, 版) <http://developer.apple.com/jp/webapps/designingcontent.php>
[2] Everything you always wanted to know about touch icons · Mathias Bynens ( ( 版)) <http://mathiasbynens.be/notes/touch-icons>
[3] 921014 – [BrowserAPI] Support link rel="apple-touch-icon" in mozbrowsericonchange event ( ( 版)) <https://bugzilla.mozilla.org/show_bug.cgi?id=921014>
[4] icon - IndieWebCamp ( ( 版)) <http://indiewebcamp.com/icon>
[5] Re: [whatwg] apple-touch-icon ( (Mathias Bynens 著, 版)) <http://lists.w3.org/Archives/Public/public-whatwg-archive/2014Jul/0167.html>
[7] Allow <link rel=apple-touch-icon sizes=… href=…> (sideshowbarker著, ) <https://github.com/whatwg/html/commit/4c84c5a531bbdd1982d76abef13f2b91f52a66b6>