App not appeare in web browser

C:\Users\UTTAM\raju\b3>ionic serve
Starting app-scripts server: --address 0.0.0.0 --port 8100 --livereload-port
35729 --dev-logger-port 53703 --nobrowser - Ctrl+C to cancel
[20:49:20] watch started …
[20:49:20] build dev started …

now what i have to do i can not understand.
help me please.