document.addEventListener("DOMContentLoaded", function () {
  const utmParams = {
    utm_source: "yourexpertnetwork",
    utm_medium: "referral",
    utm_campaign: "site-links",
  };
  const currentHostname = window.location.hostname;
  document.querySelectorAll("a[href]").forEach((link) => {
    if (
      link.hostname &&
      link.hostname !== currentHostname &&
      link.protocol.startsWith("http")
    ) {
      try {
        const url = new URL(link.href);
        for (const key in utmParams) {
          url.searchParams.append(key, utmParams[key]);
        }
        link.href = url.toString();
      } catch (error) {
        console.error("Could not process URL:", link.href, error);
      }
    }
  });
});