Angular v21 brings major improvements in hydration and server-side rendering (SSR) to improve performance and SEO.
#Enabling Hydration
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app/app.component';
bootstrapApplication(AppComponent, {
providers: [],
hydration: true,
});#Component-Level Hydration
@Component({
selector: 'app-hydrated',
template: `<p>Hydrated component</p>`,
standalone: true,
hydrate: true,
})
export class HydratedComponent {}#Benefits of Hydration
- Faster page rendering
- Reduced flickering
- Better SEO for Angular apps
#Conclusion
Angular v21’s hydration and SSR features allow developers to build fast, SEO-friendly applications with minimal boilerplate and optimal performance.