Building a Better Browser: Firefox Keeps Innovating

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By Rob Pegoraro
Thursday, June 19, 2008

Mozilla Firefox, the little Web browser with the quirky name, has grown up fast. Four years ago, Firefox was an obscure project Microsoft felt free to ignore. Now it has grabbed about a fifth of the market worldwide.

And while Microsoft has shipped only one upgrade to its Internet Explorer in that time, Firefox just hit its fourth major release.

Like the earlier 1.0, 1.5 and 2.0 versions, Firefox 3 -- a free download for Windows 2000, XP and Vista; Mac OS X 10.4 and 10.5; and recent Linux releases at http://mozilla.com-- makes the Web easier and safer to use in a few distinct ways.

Its tabbed browsing lets you switch among multiple sites in one window, and a small box at the top right of every window lets you direct a query to your choice of Web search engines. "Find as you type" text searching jumps to a given word on a page in moments. Its separation from the guts of Windows makes it safer and more reliable than Internet Explorer. And Firefox's open-source code allows inspection by anybody, making for fast bug fixes.

But Firefox 3 also brings overdue changes to parts of the browsing experience that have barely budged in this decade: the bookmarks menu and the history list.

This time, Firefox developers -- employees of the Mountain View, Calif., nonprofit Mozilla, plus outside volunteers -- stopped pretending that we all bookmark our favorite pages with the care of reference librarians.

Instead, they built a better history function: You don't have to remember a site's address; you have to recall only its title -- or just a word or two of it. As you start typing, Firefox will present a list of all the sites that match, then narrow that list as you continue.

If, however, you're a bookmark-tending type, Firefox 3 can help you make more sense of your Web favorites. You can tag them for easier reference, then sort through to see which ones you visit most and which ones collect dust.

Firefox 3 also brings a performance upgrade. Older releases could hog memory over time, eventually forcing a browser restart. Firefox 3 needs a little less memory and doesn't keep nibbling away at your computer's resources over the day.

Most Web users, understandably, worry more about a computer getting hijacked than a browser getting slow. The Web is the most useful part of a computer, but it's also the most dangerous part, with sites that try to force-feed viruses to visiting PCs and those that prey on human gullibility.

Here, Firefox 3 yields mixed results.

In its favor, it comes preset to block access to hostile sites on a constantly updated blacklist. (A few hours after a phishing e-mail's arrival, Firefox 3 refused to load the phony bank site pushed by that message, replacing it with a stern "Reported Web Forgery!" alert.)


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