Weebly Site Detection

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Weebly Site Detection",
  "version": "1.2",
  "description": "A small 'w' icon in your address bar lights up if you are on a Weebly site.",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "page_action": {
    "default_icon": "icon_24.png",
    "default_title": "It's a Weebly site!"
  },
  "permissions": [
    "tabs",
    "http://www.weebly.com/"
  ],
  "icons": {
    "32": "icon_32.png",
    "48": "icon_48.png",
    "128": "icon_128.png"
  }
}