1. Chrome uses more memory since it uses separate processes for each tab
2. People using Windows XP as their computers' operating system won't be able to use Internet Explorer 9.
3. Too Flash or not to Flash Adobe Flash Player 10.2 (version 10.2.152.26, codenamed Spicy) (February 2011) Stage Video, a full hardware-accelerated video pipeline Internet Explorer 9 hardware-accelerated rendering support Custom native mouse cursors Multiple monitor full-screen support Enhanced sub-pixel rendering for text
4. Google Chrome 9
4.1. Pros:
4.1.1. Added WebGL, Chrome Instant, and the Chrome Web Store.
4.1.2. WebGL brings hardware-accelerated 3D graphics support. Chrome Instant brings Google Instant support to the Omnibox. And the Chrome Web Store is part of Google plans to push web apps farther.
4.2. Cons:
4.2.1. uncovered a Chromium audio bug
5. Mozilla Firefox 4
5.1. Pros:
5.1.1. single process that is shared by all the tabs thereby "sharing" some of the execution code
5.1.2. Less Memory used
5.2. Cons:
5.2.1. Slower computer that may needed to be restarted
5.2.2. slow memory leak so over the course of a day or two, the process goes from using 500MB to 1.6GB of RAM
6. Explorer9
6.1. Cons:
6.1.1. The fact that this version of the web browser only supports Windows 7 and Vista
7. Best version of Internet Explorer yet
8. Internet Explorer 9 appears to be at least equal or slightly better in speed. Moreover, the browser is much more stable than the previous versions; frequency of crashes is also a lot less
9. Apple Safari 5
9.1. Pros:
9.1.1. Safari 5 continues the push for speed, able to surpass (by some tests) bleeding-edge JavaScript engines from Google and Opera
9.1.2. new Reader option that streamlines how you read articles, broader support for HTML5, default support for searches on Bing, and performance improvements
9.2. Cons:
9.2.1. installer feels longer than its major alterna-browser competitors of Firefox, Chrome, and Opera
9.2.2. Safari still lacks many of the small but useful features competitors offer
10. Opera 11
10.1. Pros:
10.1.1. Fast. Highly compliant with new Web standards. Tons of helpful features. Built-in mail client.
10.1.2. Cross platform. Now with extensions.
10.2. Cons:
10.2.1. Extension gallery not as extensive as Firefox's or Chrome's
10.2.2. Some sites display a message saying the browser isn't supported