Prevent any of the genius annotations from running on your site

genius-blocker.js

var genius = /genius/i
// prevent genius.it/[your site]
if (genius.test(document.referrer) || genius.test(window.location.href)) {
  document.location = 'https://stopitgenius.xyz'
}

// prevent the bookmarklet
var setAttribute = window.HTMLElement.prototype.setAttribute
window.HTMLElement.prototype.setAttribute = function (attr, val) {
  if ((attr === 'src' || attr === 'href') && genius.test(val)) {
    console.log('genius denied')
    return
  } else {
    setAttribute.call(this, attr, val)
  }
}

// prevent the extension
var observer = new window.MutationObserver(function (mutations) {
  for (var i = 0, len = mutations.length; i < len; i++) {
    var mutation = mutations[i]
    if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
      for (var j = 0, jlen = mutation.addedNodes.length; j < jlen; j++) {
        var node = mutation.addedNodes[j]
        if (genius.test(node.nodeName)) {
          node.remove()
        }
      }
    }
  }
})

observer.observe(document.body, {childList: true})