manifest.json

{
  // Required
  "manifest_version": 2,
  "name": "Tracer",
  "description": "Welcome to the Tracer extension! I'm intended for use during programming to record all the coding related websites and associate it with the project you're currently working on.",
  "version": "1.0.2",
  
  "content_scripts": [
    {
      "matches": ["http://stackoverflow.com/*","http://docs.oracle.com/*","http://www.w3schools.com/*", "http://www.cprogramming.com/*", "https://docs.python.org/*", "http://www.tutorialspoint.com/*", "http://css-tricks.com/*", "https://github.com/*"],
      "js": ["js/tracerScript.js", "js/jquery.min.js"]
    }
  ],

  "browser_action": {
    "default_icon": "icon.png",
  	"default_popup": "popup.html"
  },

  "permissions": [
    "storage"
  ],

  "options_page": "list.html"
}