Instant Preview

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Instant Preview",
  "description": "Adds instant preview to search engine results page",
  "manifest_version": 2,
  "version": "5.1.75",
  "permissions": [
    "*://*/*",
    "alarms",
    "tabs"
  ],
  "options_page": "assets/user-settings.html",
  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqGExvBHq2WN62pqHlRv446NQFr5b+vJfOFxpi/fn/QOVdgjRlFlbkoCMn/lY+tW4zOiY9tig0qs7EJsnXPm71rDK+P70e8gEXG/D30vWpjjtxvalxUm030f6nkxbzfaz6Yv+m4EPHDejh7n2QBMNbGSQavczIkJ+SBqMJvYeW1wIDAQAB",
  "icons": {
    "16": "assets/img/icon-16.png",
    "48": "assets/img/icon-48.png",
    "128": "assets/img/icon-128.png"
  },
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": "script-src 'self' https://www.google-analytics.com; object-src 'self'",
  "web_accessible_resources": [
    "assets/*",
    "sandbox.html"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/search*",
        "*://*/webhp*",
        "*://duckduckgo.com/*",
        "*://yandex.ru/*"
      ],
      "include_globs": [
        "*://www.google.*/*",
        "*://duckduckgo.com/*q=*",
        "*://yandex.ru/search/*"
      ],
      "js": [
        "content-search-engine.js"
      ],
      "run_at": "document_end"
    }
  ]
}