Examine source code of Symbols Name

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Symbols Name",
  "description": "The best collection of all cool symbols name to copy paste online. Easiest way to copy symbols names.",
  "version": "49",
  "browser_action": {
    "default_icon": "images/icon.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/icon.png",
    "32": "images/icon.png",
    "48": "images/icon.png",
    "128": "images/icon.png"
  }
}