Optimized Yandex Metrika script
(function (d, w, c, t) {
(w[c] = w[c] || []).push(function() {
try {
w.yaCounterXXXXXXX = new Ya.Metrika({id:XXXXXXX,
webvisor:true,
clickmap:true,
trackLinks:true,
accurateTrackBounce:true});
} catch(e) { }
});
var y = d.createElement(t),
s = d.getElementsByTagName(t)[0],
f = function () { s.parentNode.insertBefore(y,s); };
y.src = '//mc.yandex.ru/metrika/watch.js';
if (w.opera == '[object Opera]') {
d.addEventListener('DOMContentLoaded', f, false);
} else { f(); }
})(document, window, 'yandex_metrika_callbacks', 'script');