Why is Opera chosen and not Firefox?
Opera is faster than Firefox - in fact, Opera is
the fastest Graphical Web Browser in Windows.
Opera starts up from a "cold start" faster than Firefox.
Opera is more secure than Firefox. In fact, Opera is
the most Secure Graphical Web Browser in Windows.
Opera's cache (back/forward performance) is
faster than Firefox, or any other browser.
Opera does support "Extensions" - they are called "Widgets".
Many popular Firefox Extensions are
already included in Opera BY DEFAULT.
Opera was the first browser to include an
Integrated Search feature back in 2000.
Opera was the first browser to include Pop-up Blocking back in 2000.
Opera invented "Tabbed Browsing" 13 years ago back in 1994.
Opera passes the Acid2 Browser Test in Windows, Firefox
does not, despite the test being 2 years old.
Opera's setup installer is smaller than Firefox
but Opera has more functionality out of the box.