Stay logged in
You should be able to stay logged in on any computer or device for up to 6 months.
To remain logged in, you have to enable cookies on your iPad:
Tap the "Settings" icon on the home screen
Return to the Home Screen by pressing the round button underneath the screen. You will see the grid of icons. Then, find the "Settings" icon and tap on it.
Tap the "Safari" menu option
The right side of the screen will change to show you the various settings options available for Safari.
Find the "Block Cookies" setting
You will now see a number of settings for Safari displayed on the right. Scroll down until you see the "Block Cookies" item. Tap on it.
Choose "Always Allow"
You are now presented with four options for your Cookies preference. Choose "Always Allow".