1. Mozilla Firefox 21
1.1. Pros
1.1.1. 1. Clean, minimal interface
1.1.2. 2. Good HTML5 support. Good security.
1.2. Cons
1.2.1. 1. Lacks Chrome's built in Flash and Instant page view
1.2.2. 2. a little unstable and can be a bit of a resource hog.
2. Marketshare
3. Apple Safari 5
3.1. Pros
3.1.1. 1. Cover flow and other beautiful interface elements.
3.1.2. 2. Decent extension selection.
3.2. Cons
3.2.1. 1. No hardware acceleration for Windows.
3.2.2. 2. Not being updated together with Mac version
4. Opera 12.10
4.1. Pros
4.1.1. 1. Turbo feature makes slow connections even faster.
4.1.2. 2. Excellent HTML5 support.
4.2. Cons
4.2.1. 1. Occasionally sites won't display properly, though this is getting rare.
4.2.2. 2. Hardware acceleration not enabled by default.
5. HTML 5 Readiness
6. Define
6.1. Browser: : An internet browser is the program that you use to access the internet and view web pages on your computer.
6.2. Browser Extension (Plug In): “A browser extension is a computer program that extends the functionality of a web browser in some way.
7. Chrome 27
7.1. Pros
7.1.1. 1. Leading support for HTML 5. Fast.
7.1.2. 2. loads each tab and plug-in in a separate operating system process.
7.1.3. 1. Do Not Track privacy feature is buried and discouraged.
7.2. Cons
7.2.1. 2. Fonts occasionally jagged.
8. Explorer 10
8.1. Pros
8.1.1. 1. Excellent touch input conveniences.
8.1.2. 2. Full-screen view
8.2. Cons
8.2.1. 1. Split personality on Windows 8?two very different interfaces.
8.2.2. 2. Still missing some HTML5 features.