@nuxt/devtools/dist/runtime/plugins/devtools.server.js

<a href="https://devtools.nuxt.com"><img width="1200" alt="Nuxt DevTools" src="https://github-production-user-asset-6210df.s3.amazonaws.com/904724/261577617-a10567bd-ad33-48cc-9bda-9e37dbe1929f.png"></a> <br>

import { defineNuxtPlugin, useState } from "#imports";
export default defineNuxtPlugin(() => {
  const state = useState("__nuxt_devtools__", () => ({}));
  state.value = {
    timeSsrStart: Date.now()
  };
});