SEO Service for Angular 4+ | Example for SeoService: https://gist.github.com/nhathiwala/7aec328fdf129393389f826c7f5f2943

home.component.ts

import { Component, OnInit } from '@angular/core';
import { SeoService } from '../../services/seo.service';

@Component({
  selector: 'app-home',
  templateUrl: './home.component.html',
  styleUrls: ['./home.component.scss']
})
export class HomeComponent implements OnInit {

  constructor(private seo: SeoService) {
    this.seo.setTags({
      title: 'Home', // Title
      titleSuffix: '- Knoxpo', // Title Suffix
      description: 'Your description', // Description
      image: 'https://storage.googleapis.com/knoxpo/cover.png', // Image
      keywords: 'mobile, android, ios, swift, cloud development' // Keywords
    });
  }

  ngOnInit() { }

}