Unless your SPA truly has a "single" page, you'll need to introduce the Router. This is a great overview on the @angular/router capabilities and walks you through from start to finish on how to configure the router for your application
There’s not a lot of information on the topic of Ionic multi app projects, but they can be really powerful if you can make them work for your white label solution or perhaps simply for having the Ionic app and website in one project.
This article will save you hours of time and browsing stack overflow if you're in need to configuring a multi app Ionic project.
Beginning to end walk through of creating a PWA with Angular. Have you ever wondered how to test a PWA during development? Aiman has you covered and answers that question for you in this article.
We've looked at a simple article about routing, but what if you need to take your knowledge of the router further? Check out this guide to using CanActivate to supercharge your Router in your apps.
Here's a 3 minute primer on NestJS workspaces. You'll see how to set up your workspace in standard mode or in a monorepo. Additional links are provided as well as a link to Nx Dev Tools if you are needing to use Angular and React simultaneously.