Essential background theory and context
An Angular application consists of several pages that are created dynamically in the DOM of the browser by the Angular framework while we use the application. Angular Universal enables the Angular framework to create these pages on the server statically during application runtime. In other words, it can create a fully static version of an Angular application that can run even without needing to have JavaScript enabled. Prerendering an application on the server has the following advantages:
- It allows web crawlers to index the application and make it discoverable and linkable on social media websites.
- It makes the application usable to mobile and other low-performant devices that cannot afford to execute JavaScript on their side.
- It improves the user experience by loading the first page quickly and, at the same time, loading the actual client page in the background (First Contentful Paint (FCP)).
Important note
The application does...