Examine source code of TheHeatersGuide

{
  "name": "TanklessHeatersGuide",
  "description": "TanklessHeatersGuide is well-researched informative site which is about various kind of Tank or Tankless Water Heater.",
  "version": "1.1resigned1",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "18": "icon.png",
    "48": "icon_48.png"
  },
  "browser_action": {
    "name": "Open website"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{130c5fdc-2980-402c-b15a-509f7eb9bd46}"
    }
  }
}