angular-best-practices

Optimize Angular change detection by applying OnPush strategy, converting component state to signals, and adopting zoneless patterns to eliminate wasted render cycles and reduce wasted work.

The best way to implement lazy loading and defer rendering is using Angular's routing modules for code splitting and the defer template syntax to postpone loading heavy UI components until interaction.

Angular SSR hydration prevents client-side waterfalls by reusing server-rendered DOM content on the client, avoiding full application re-rendering and making server-rendered apps load faster and smoother.

Angular list rendering performs poorly without trackBy because the framework re-creates DOM nodes for every collection update; applying trackBy in templates identifies moved items and avoids expensive DOM manipulation.

You can refactor existing Angular components by reviewing template logic, cleaning up subscriptions, applying OnPush change detection, and deferring heavy UI to shrink bundles and improve loading behavior.