import { isBrowser } from 'angular2-universal'; or // app.browser @NgModule({ providers: [ { provide: 'isBrowser', useValue: true } ] }) then inject from constructor export class SomeComponent implements OnInit { constructor(@Inject('isBrowser') private isBrowser: boolean) ngOnInit() { // example usage, this could be anywhere in this Component of course if (this.isBrowser) { alert('we're in the browser!'); } } <ng-container *ngIf="isBrowser"> <!-- mqttws31-component --> <mqttws31-component></mqttws31-component> </ng-container>