Examine source code of Farsider

{
  "name": "Farsider",
  "description": "Automatically redirect requests to working instances of privacy-oriented alternative frontends.",
  "version": "1.0.0",
  "manifest_version": 2,
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  }
}