Angular: do web query via http request but get CORS error

I'm trying to get data through HTTP get request but I get the CORS error. I suppose the error is due to I don't use an "official" API. However, I am really curious whether it is possible to do web query of specific websites such as google or job-search website without using API via angular.

You can see my code as follows:

import { HttpClient, HttpHeaders } from "@angular/common/http";
import { Component } from "@angular/core";

@Component({
  selector: "app-root",
  templateUrl: "./app.component.html",
  styleUrls: ["./app.component.scss"],
})
export class AppComponent {
  title = "job-search";
  url = "http://de.indeed.com/Jobs?as_and=Sprachlehrer";

  constructor(private _http: HttpClient) {}

  //"http://de.indeed.com/Jobs?as_and=Lehrer"
  ngOnInit() {
    let headersOpt = new HttpHeaders();
    headersOpt.set("Content-Type", "application/json");
    headersOpt.set("Access-Control-Allow-Origin", "*");
    this._http
      .get(this.url, {
        headers: headersOpt,
      })
      .subscribe((res) => {
        console.log(res);
      });
  }
}

I don't have a "real" HTML file here because I just want to get the query result.

Thank you for your solution.

Best regards I