Examine source code of LazyLoad Fixer

{
  "manifest_version": 2,
  "name": "LazyLoad Fixer",
  "description": "LazyLoad Fixer ensures that images using lazy loading still display properly even when JavaScript is disabled, so you never miss out on visual content",
  "version": "0.2",
  "icons": {
    "48": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "nolazy.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2e1a34bb-8812-4c0d-9924-351e29c19088}"
    }
  }
}