W3School TIY Editor
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<!DOCTYPE html> <html> <head> <link rel="icon" href="/i/demo_icon.ico" type="image/gif" sizes="16x16" /> </head> <body> <h2>Hello world!</h2> <p>在<a href="/example/html5/demo_html5_link_sizes.html" target="_blank">新窗口</a>打开该页会看到图标。</p> </body> </html>