Examine source code of Plus500

{
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "i24px.png",
    "default_title": "Plus500"
  },
  "description": "Trade CFDs on Shares, Indices, Forex and Cryptocurrencies",
  "homepage_url": "https://www.plus500.com/?id=3743&tags=ChromePlus500Homepage&pl=2&refurl=https://snelbeleggen.nl/",
  "icons": {
    "16": "i24px.png",
    "48": "i48px.png",
    "128": "i128px.png"
  },
  "incognito": "spanning",
  "manifest_version": 2,
  "name": "Plus500",
  "offline_enabled": true,
  "options_page": "options-page.html",
  "permissions": [
    "contextMenus"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "2.1"
}