• Hydration

  • Environments

  • ActivateRouter

  • Interceptor

  • PareUrl vs CreateUrltree

  • Signals

  • Module.forRoot() vs Module.forChild() vs Module.provideX()

  • Infinite Scroll (ngx-infinite-scroll) — Full Explanation

  • Visibility Tracking

  • Preload (Lazy First,After Idle)