Load google and awesome fonts asynchronously, without blocking rendering

async-fonts.php

<?php foreach ([
            'http://fonts.googleapis.com/css?family=Alegreya+SC&subset=latin,latin-ext',
            'http://fonts.googleapis.com/css?family=Lora&subset=latin,latin-ext',
            'https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css'
                   ] as $font){
            ?>

        <link
            rel="stylesheet"
            href="<?=$font?>"
            media="none"
            onload="if(media!='all')media='all'">
        <noscript>
            <link rel="stylesheet" href="<?=$font?>">
        </noscript>

    <?  }?>