I have followed below steps
1) ng new my-app --routing
2) ng generate app-shell
3) ng run my-app:app-shell
4) ng run my-app:app-shell:production
also verified angular.json
file have mentioned changes of https://angular.io/guide/app-shell
but I am unable to have changes neither in performace nor dis/index.html
with app-shell works!
.
I want put loader on screen when app loads. Please assist.