function parseQueryString() {
    if (location.href.indexOf("?") === -1) return;

    var sets = location.href.split("?")[1].split("&");
    var source = "organic";
    var medium = "";
    var campaign = "";
    var content = "";
    for (var i = 0; i < sets.length; i++) {
      var set = sets[i].split("=");
      if (set.length > 1) {
        switch(set[0]) {
          case "fbclid":
            source = "facebook";
            if (medium !== "") {
              medium = "social";
            }
            break;
          case "gclid":
            source = "google";
            if (medium !== "") {
              medium = "organic";
            }
            break;
          case "utm_source":
            source = set[1];
            break;
          case "utm_medium":
            medium = set[1];
            break;
          case "utm_campaign":
            campaign = set[1];
            break;
          case "utm_content":
            content = set[1];
            break;
          default:
            break;
        }
      }
    }
    var sources = JSON.parse(localStorage.getItem("___smakassen_sources") || "[]");
    sources.push({
      date: now(),
      source: source,
      medium: medium,
      campaign: campaign,
      content: content,
      queryString: location.href
    });
    localStorage.setItem("___smakassen_sources", JSON.stringify(sources));
  }