Is This GraphQL

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Is This GraphQL",
  "version": "1.5.1",
  "manifest_version": 2,
  "description": "See whether a website is using GraphQL at a glance",
  "homepage_url": "https://stellate.co",
  "icons": {
    "16": "icons/icon-graphql-no-16.png",
    "48": "icons/icon-graphql-no-48.png",
    "128": "icons/icon-graphql-no-128.png"
  },
  "browser_action": {
    "default_title": "GraphQL",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "webRequest",
    "https://*/*"
  ]
}