performant pdp layout differences

global.js

/* _optimizely_evaluate=force */
$(function () {
  $('a').each(function () {
    var $this = $(this);
    var href = $this.attr('href');
    if (/TODO_PDP_REGEX/.test(href)) { // TODO - Replace This with PDP Regex
      $this.attr('href', href+'?utm_content=different_layout');
    }
  });
})
/* _optimizely_evaluate=safe */

v1.js

/* _optimizely_evaluate=force */
if (!/utm_content=different_layout/.test(location.href)) { // only if we haven't already redirected
var _optly={redir:document.createElement("a")};
_optly.redir.href=window.location.pathname+"?utm_content=different_layout";
_optly.cur=window.location.search;
if (_optly.cur) {_optly.redir.search=_optly.redir.search ? _optly.cur + "&" + _optly.redir.search.slice(1) : _optly.cur;}
window.location.replace(_optly.redir.href);
}