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ngx-seo

Update SEO title and meta tags easily in Angular apps.

I created this library because other libraries are not fit enough to my requirements.

npm NPM npm bundle size

Environment Support

  • Angular 6+
  • Server-side Rendering

Compatibility

Versions compatibility list:

@avivharuzi/ngx-seo Angular
16.x.x 16.x.x
15.x.x 15.x.x
14.x.x 14.x.x
13.x.x 13.x.x
12.x.x 12.x.x
11.x.x 11.x.x
10.x.x 10.x.x
1.x.x 6.xx - 9.x.x

Installation

npm i @avivharuzi/ngx-seo

OR

yarn install @avivharuzi/ngx-seo

Usage

Import NgxSeoModule

Import NgxSeoModule into AppModule imports.

import { NgxSeoModule } from '@avivharuzi/ngx-seo';

imports: [
  // ...
  NgxSeoModule.forRoot(),
],

Update Title and Meta Tags from Routes Data

Declare SEO data for each route recommended to use NgxSeo interface to prevent problems.

...
import { NgxSeo } from '@avivharuzi/ngx-seo';

...

const SEO_HOME: NgxSeo = {
  title: 'home page',
  meta: {
    description: 'home page description',
  },
};

const SEO_ABOUT: NgxSeo = {
  title: 'about page',
  meta: {
    description: 'about page description',
  },
};

const routes: Routes = [
  { path: '', component: HomeComponent, data: { seo: SEO_HOME } },
  { path: 'about', component: AboutComponent, data: { seo: SEO_ABOUT } },
];

You can also specify custom meta tags by providing array of MetaDefinition.

const SEO_SPECIAL: NgxSeo = {
  meta: {
    customTags: {
      mySpecial: {
        name: 'mySpecial',
        content: 'mySpecial content :P',
      },
    },
  },
};

const routes: Routes = [
  { path: 'special', component: SpecialComponent, data: { seo: SEO_SPECIAL } },
];

Update Title and Meta Tags Dynamically

You can also to use the service NgxSeoService to dynamically update title or meta tags.

...
export class MoiveDetailComponent implements OnInit {
  movie: Movie;

  constructor(
    private movieService: MovieService,
    private ngxSeoService: NgxSeoService,
  ) {}

  ngOnInit(): void {
    this.movieService.getDetails(1).subscribe(movie => {
      this.movie = movie;

      this.ngxSeoService.setSeo({
        title: movie.title,
        meta: {
          description: movie.description,
        },
      });
    });
  }
}

API

NgxSeoModule

NgxSeoModule.forRoot(config: NgxSeoConfig)

...
NgxSeoModule.forRoot({
  changeTitle: (title) => title,
  preserve: false,
  listenToRouteEvents: true,
})
...

NgxSeoService

NgxSeoService.setSeo(seo: NgxSeo): void

Update SEO title and meta tags.

NgxSeoService.setTitle(title: string): void

Update SEO title.

NgxSeoService.setMeta(meta: NgxSeoMeta): void

Update SEO meta tags.

NgxSeoService.setMetaKeywords(metaKeywords: string | string[]): void

Update meta tag keywords.

NgxSeoService.setMetaDescription(metaDescription: string): void

Update meta tag description.

NgxSeoService.setMetaType(metaType: string): void

Update meta tag type.

NgxSeoService.setMetaCard(metaCard: string): void

Update meta tag card.

NgxSeoService.setMetaImage(metaImage: string): void

Update meta tag image.

NgxSeoService.setMetaUrl(metaUrl: string): void

Update meta tag url.

NgxSeoService.setMetaAuthor(metaAuthor: string): void

Update meta tag author.

NgxSeoService.setMetaSiteName(metaSiteName: string): void

Update meta tag site name.

NgxSeoService.setMetaCanonical(metaCanonical: string): void

Update meta tag canonical.

NgxSeoService.setMetaCustomTags(customTags: MetaDefinition[]): void

Update custom meta tags.

NgxSeoService.removeMeta(): void

Will remove all meta tags from HTML document.

License

MIT