Switch Tabs in Firefox

Sometimes, simple things won’t work in our brain. while browsing through the heap of tabs in my favourite browser ( of-course it is Mozilla Firefox) , I was wondering what is the short cut key to switch tabs. I just have to fire a google search to find this. But now only i found time for this. The secret is Ctrl + Tab.

and There are some more shortcuts to switch tabs.

Ctrl + Page Up for Next tab

Ctrl + Page Down for previous tab