Examine source code of FreeSlots4U

{
  "description": "News on the latest slots competitions, slots tournaments, prize giveaways, and free slots games at FreeSlots4U.com.",
  "manifest_version": 2,
  "name": "FreeSlots4U",
  "version": "1.7resigned1",
  "homepage_url": "https://www.freeslots4u.com",
  "icons": {
    "16": "favicon-16x16.png",
    "32": "favicon-32x32.png",
    "96": "favicon-96x96.png",
    "128": "freeslots4u-extension-icon-128.png"
  },
  "permissions": [
    "https://www.freeslots4u.com/"
  ],
  "browser_action": {
    "default_title": "FreeSlots4U",
    "default_popup": "index.html"
  },
  "web_accessible_resources": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fda03e45-91e2-4afc-9ca1-f4d377eac7c3}"
    }
  }
}