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August 29, 2015 14:04
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Easiest and most natural way to load CSS asynchronously without blocking HTML rendering! Tested on https://limitlesslane.com/ https://casadelux.ru/ and other projects by DUzun.ME
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| <html> | |
| <head> | |
| <!-- The <script> switches rel="prefetch" to rel="stylesheet" at proper time, et voila, magic happens :-) --> | |
| <link rel="prefetch" type="text/css" href="https://cdn.limitlesslane.com/css/mini/async_lib.css" /> | |
| <link rel="stylesheet" type="text/css" href="https://cdn.limitlesslane.com/css/mini/lib.css" /> | |
| <link rel="stylesheet" type="text/css" href="https://cdn.limitlesslane.com/css/mini/app.css" /> | |
| <link rel="prefetch" type="text/css" href="https://cdn.limitlesslane.com/css/mini/async_app.css" /> | |
| <script> | |
| ;(function(w,d){ | |
| (w.requestAnimationFrame||w.mozRequestAnimationFrame||w.webkitRequestAnimationFrame||w.msRequestAnimationFrame||w.oRequestAnimationFrame|| | |
| function(f){var e='load',n,h=w[n='addEventListener']||w[n='attachEvent']&&(e='on'+e);h?w[n](e,f):setTimeout(f,17)}) | |
| (function(){ | |
| for(var h=d.getElementsByTagName('link'),i=h&&h.length,l,c;0<i--;) | |
| (l=h[i]).rel=='prefetch'&&l.type=='text/css'&&(c=d.createElement('link'),c.rel='stylesheet',c.type=l.type,c.href=l.href,l.parentNode.insertBefore(c,l)) | |
| }) | |
| }(window,document)); | |
| </script> | |
| </head> | |
| <body> | |
| Load CSS in a non-blocking fashion | |
| </body> | |
| </html> |
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