Why is opera considered to be better than mozilla and google chrome?
One of the main things that most will agree about that makes Mozilla better is that it has no ads.
With Opera, they could basically track down your browsing habits through the ads if they really wanted to. All they really need to do is serve the ads through a php script on their server. But this is only a "could" issue, but last I heard, they don't do that. But just the fact of having an adware program that you use every day can become a security risk. There has even been rumors that Opera has spyware in it's ad system, while they are rumors, nothing stops them from secretly putting some in at some point.
Mozilla is free, while Opera costs money. Well you can get it for free but it has ads which clutter the layout, while the cost version has no ads. For software that is used often, and that should be updated at some point or another, it's always more reassuring to know that it's a 100% freeware. Mozilla is, so you don't have to worry about having to pay a ...more
It's tabbed windows are really windows. You can tile them, cascade them, move them around. You know, like real windows.
It can resume interrupted downloads.
Built-in IRC client.
Built-in email client.
Built-in news reader.
Toggle images on, off, or from local cache. (Great for slow connections)
Customizable style sheets to change the display with all the useful ones built-in. Can't read that site with the ping background and yellow letters? Make it black and white like God intended.
On the fly user agent switching. This means you can probably use Opera on that bank site that says "Internet Explorer 5.0 or above necessary to use this site." ...more