tagManager functions for SEO

tagManagerCustomFunctions.js

// returns textFragment
function() {
  if (!performance) {
    return 'n/a';
  }
  
  var p = performance.getEntriesByType('navigation');
  if (p.length < 1) {
    return 'navigation missing';
  }
  
  var u = p[0].name.match("#:~:text=(.*)");
  if (!u) {
    return 'no match';
  }
  
  var entries = decodeURIComponent(u[1]);

  return entries.replace(/, /g,"*").replace(/,/g,"...").replace(/\*/g,", ");
}

// returns number of redirects
function () {
  if (!performance) {
    return 'n/a';
  }

  var p = performance.getEntriesByType('navigation');
  if (p.length < 1) {
    return 'navigation missing';
  }

  return p[0].redirectCount;  
}