https://afn.net/scripts/async-typekit.js

1
2    (function (d) {
3      var config = {
4        kitId: 'ffy2hoi', 
5        scriptTimeout: 2000,
6        async: true
7      },
8        h = d.documentElement,
9        t = setTimeout(function () {
10          h.className = h.className.replace(/\bwf-loading\b/g, '') + ' wf-inactive';
11        }, config.scriptTimeout),
12        tk = d.createElement('script'),
13        f = false,
14        s = d.getElementsByTagName('script')[0],
15        a;
16      h.className += ' wf-loading';
17      tk.src = 'https://use.typekit.net/' + config.kitId + '.js';
18      tk.async = false;
19      tk.onload = tk.onreadystatechange = function () {
20        a = this.readyState;
21        if (f || (a && a != 'complete' && a != 'loaded')) return;
22        f = true;
23        clearTimeout(t);
24        try {
25          Typekit.load(config);
26        } catch (e) { }
27      };
28      s.parentNode.insertBefore(tk, s);
29    })(document);