<tr><td><div class="tooltipParent">image cache<span class="tooltipText">Caching of images in web browsers is a standard behavior. But if that cache leaks between websites, it can be abused for cross-site tracking.</span></div></td><td><div class='dataPoint tooltipParent good'
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<span class="tooltipText">write: (key) => new Promise((resolve, reject) => {
      let img = document.createElement("img");
      document.body.appendChild(img);
      img.addEventListener("load", () => resolve(key), {once: tr