t partitioned, it can be used to track users across websites.</span></div></td><td><div class='dataPoint tooltipParent bad'
> &nbsp;
<span class="tooltipText">write: (key) => key

read: async (key) => {
      // Wait for the favicon to load (defined in supercookies.html)
      await sleepMs(500);
      let response = await fetch(
        testURI("ctr", "favicon", key), {"cache": "reload"});
      let count = (await response.text()).trim();
      if (count === "0") {
        throw new Error("No requests rece