How to code this batch file?

I would like to delay 10 sec before opening IE, so ensure internet established, and loading the web without any problem.

Does anyone have any suggestions?

Thanks in advance for any suggestions :>

1) Script to make connection to Internet

2) Delay 10 sec

@echo off

start /b /max "IE" "C:\Program Files\Internet Explorer\IEXPLORE.EXE"http://www.abc.com

Thanks in advance for any suggestions