Ionic Serve error - "This site can't be reached." (v2)

[MagicAardvark]

Which version of ionic are you using? there were numerous changes in Angular around ngZone.

If you are on >beta.3 try following this guide

Ionic 2 Projects: updating to beta.6

Hello Ionites! Migration guide extraordinaire @iignatov has created another excellent resource which he asked me to share with you, since there were some changes to imports in the starters as of beta.6.   1. Update the Ionic CLI to the latest version: npm install -g ionic@beta   2. If you’re upgrading a project using Ionic 2.0.0-beta.3 or older check out the following guide first.   3. Remove the line import 'es6-shim' from app.ts/app.js. If you’re using webpack, remove ‘es6-shim’ from the e…