Try this, it worked for me!
Before my iMac would connect on Safari immediately, then slow down, then crawl, then stop entirely and just spin the beach ball. This fixed it! (knock on wood)
http://osxdaily.com/2010/03/24/when-and-how-to-reset-your-macs-system-management-controller-smc/
Before my iMac would connect on Safari immediately, then slow down, then crawl, then stop entirely and just spin the beach ball. This fixed it! (knock on wood)
http://osxdaily.com/2010/03/24/when-and-how-to-reset-your-macs-system-management-controller-smc/