For those who are using Opera Web browser (Secure Fast Browser). And if you are not tried opera yet give it a try you will love it.

Less memory consumption than Firefox

Secure than Firefox

Faster than Firefox

More features inbuilt than Firefox

So Opera is the Best browser according to me.

See some test results from other sites

1. Life hacker (Read the comments also)

also in the memory test, load pages and just minimize and maximize opera and Firefox and change the memory usage.

2. How to Create

So for the opera users

1. Shortcut keys and Change in shortcut keys

2. Opera 9 FAQ

3. Tamil’s Blog about Opera (Anything and everything on Opera ;) )