Mozilla Firebird - Compare Features

	Mozilla Firebird	IE 6.0	Opera 7.2	Mozilla 1.5	Netscape 4.79	Netscape 7.1
Designed for Simple, Efficient UI	YES	NO	NO	NO	NO	NO
Automatic Popup Blocking, right out of the box	YES	NO	disabled	disabled	NO	disabled
Tab Browsing, right out of the box	YES	NO	YES¹	YES	NO	YES
Simplified Privacy Controls	YES	NO	NO	NO	NO	NO
Integrated Search Bar	YES	NO	YES	NO	NO	NO
Smart Form Fill	YES	YES	NO	NO	NO	NO
Automatic Downloading	YES	NO	NO	NO	NO	NO
Find As You Type	YES	NO	YES	YES	NO	YES
Themes	YES	NO	YES²	YES	NO	YES
Extensions	YES	NO	NO	NO	NO	NO
Full Screen Browsing	YES	YES	YES	YES	NO	YES
Bookmark Panels	YES	NO	NO	NO	NO	NO
Configurable Toolbars	YES	YES	YES	NO	NO	NO
Easy Bookmark Management	YES	NO	YES	YES	YES	YES
Password Manager	YES	NO	NO	YES	NO	YES
Cookie Manager	YES	YES	YES	YES	NO	YES
Based on Gecko™, for Best Standards Compliance	YES	NO	NO	YES	NO	YES
Free from Ad and Spyware	YES	YES	NO	YES	NO	NO
Actively Developed	YES	NO³	YES	YES	NO	NO

Notes

All Tabs in Opera 7.0 must be opened in the same window.
Opera 7.0's theme support is limited to the browser window.
Microsoft has announced that Internet Explorer updates will no longer be released independently from its Windows operating system, thus it is inferred that the next major release of Internet Explorer will be coupled with Longhorn, due in 2005.