If you are going to work on a project which requires fast performance on mobile and/or slow connections – or if you just like performant web applications – and you are going to be able to work with Angular 8 or above, you might want to take a look at Scully, the Static Site Generator for Angular.
As a result, users may drop out and you will have fewer visitors to your website.
Scully is the Glu
Scully turns Angular apps into wicked-fast static sites
At the time of writing, it only supports Angular 9. The official version will support Angular 8 and higher. Now with Angular 9 coming it will be available also on Angular 8.
Scully is currently in its alpha version and available here.
The beta version is expected by the end of February 2020. Watch the introduction video with examples of Scully here.