Examine source code of Safer2Search

{
  "manifest_version": 3,
  "name": "Safer2Search",
  "version": "1.0.0",
  "short_name": "Safer2Search",
  "description": "This extension sets your search to Safer2Search to provide you with a one click safe search and browsing experience.",
  "icons": {
    "16": "./assets/images/16x16.png",
    "96": "./assets/images/96x96.png",
    "128": "./assets/images/128x128.png"
  },
  "background": {
    "page": "page.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "info@redrootltd.com",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "cookies"
  ],
  "host_permissions": [
    "*://*.safer2searchapp.com/*",
    "*://*.yahoo.com/*"
  ],
  "action": {
    "default_icon": {
      "16": "./assets/images/16x16.png"
    },
    "default_popup": "switch.html",
    "default_title": "Safer2Search"
  },
  "chrome_settings_overrides": {
    "homepage": "https://www.safer2searchapp.com",
    "search_provider": {
      "name": "Safer2Search",
      "keyword": "Safer2Search",
      "search_url": "https://search.yahoo.com/search?p={searchTerms}&vm=r",
      "suggest_url": "https://sug.safer2searchapp.com/complete/search?q={searchTerms}&client=firefox&ie=utf-8&oe=utf-8&hl=en-US",
      "encoding": "UTF-8",
      "is_default": true
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "homepage_url": "https://www.safer2searchapp.com/"
}