Refresh Browser, Browser Cache, and DNS

Force Browser Refresh

Windows: ctrl + F5
Mac/Apple/iPod: Apple + R or command + R
Linux: F5

iPhone Safari: Tap the circular arrow button in the upper-right corner of the Safari window, right of the Address Bar., or,

iPhone: Settings > Safari > Clear Cache

Refresh Cache / DNS in computer and modem

Computer: Windows 7: Start > Search all programs > cmd – brings up DOS box.
Type: ipconfig /flushdns

Delete cookies, history etc

Chrome: Press ctrl+shift+del to clear your private data, history, cookies…

iPhone: Settings > Clear History & Data
iPad: Settings > Safari > Clear Cookies and Data