1. Firefox 21
1.1. Pros
1.1.1. 1 Fast performance.
1.1.2. 2 Good HTML5 support.
1.2. Cons
1.2.1. 1 Lacks client-side tracking protection like that found in IE9.
1.2.2. 2 Slightly trails Chrome in HTML5 features.
2. Explorer 10
2.1. Pros
2.1.1. 1 High HTML5 compatibility.
2.1.2. 2 Full-screen view.
2.2. Cons
2.2.1. 1 No built in Flash or PDF reader.
2.2.2. 2 Still lags on new Web tech support.
3. Apple Safari 5
3.1. Pros
3.1.1. 1 Reading list. Cover flow and other beautiful interface elements.
3.1.2. 2 Good browsing speed.
3.2. Cons
3.2.1. 1 Slow startup.
3.2.2. 2 No hardware acceleration for Windows.
4. Opera 12.10
4.1. Pros
4.1.1. 1 Beats Safari in performance when your connection is weak
4.1.2. 2 Fast, lightweight.
4.2. Cons
4.2.1. 1 Strips Web content down to text and static images, so forget audio or video.
4.2.2. 2 Spotty JavaScript support.
5. HTML 5 Readiness
5.1. Rank The Browse HTML5 Readiness
6. Marketshare
7. Define
7.1. Browser
7.1.1. a program with a graphical user interface for displaying HTML files, used to navigate the World Wide Web
7.2. Plug In Extension
7.2.1. is a software component that adds a specific feature to an existing software application.
8. Chrome 27
8.1. Pros
8.1.1. 1 Leading support for HTML 5.
8.1.2. 2 Excellent security.
8.2. Cons
8.2.1. 1 Do Not Track privacy feature is buried and discouraged.
8.2.2. 2 Still some occasional minor site incompatibilities.