Check Status Code For Page by gogoanime

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_appName__",
  "version": "0.2.0",
  "manifest_version": 2,
  "description": "__MSG_appDescription__",
  "icons": {
    "16": "images/16.png",
    "128": "images/128.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "libs/polyfill.min.js"
    ]
  },
  "permissions": [],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "scripts/libs/jquery.min.js",
        "scripts/contentscript.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "page_action": {
    "default_icon": {
      "16": "images/16.png",
      "128": "images/128.png"
    },
    "default_title": "Check Status Code For Current Page by gogoanime"
  },
  "web_accessible_resources": [
    "images/*.jpeg",
    "images/*.png",
    "styles/css/styles.css"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}