Script Download: WarmupSiteApplication.zip
http://gallery.technet.microsoft.com/scriptcenter/PowerShell-to-Warm-Up-0988dd61
This script could be used to warm-up site application.
Application warm-up is requested to improve customer experience for the sites taking long time on initialization after application pool recycling.
You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery