1. Marketshare
2. Opera 12.10
2.1. Pros
2.1.1. 1. Minimal interface. Turbo feature makes slow connections even faster. Built-in mail and Bittorrent clients. Excellent HTML5 support.
2.1.2. 2. Syncing of bookmarks, settings, passwords, history, and more. Mac and Linux versions. Extensions. Live tiles on start page. Themes.
2.2. Cons
2.2.1. 1. Occasionally sites won't display properly, though this is getting rare.
2.2.2. 2. Hardware acceleration not enabled by default.
3. Apple Safari 5
3.1. Pros
3.1.1. 1. Reading view. Reading list. Cover flow and other beautiful interface elements. Built-in RSS reader.
3.1.2. 2. Good standards support. Good browsing speed. Fine tab implementation. Decent extension selection.
3.2. Cons
3.2.1. 1. Slow startup. Not being updated together with Mac version.
3.2.2. 2. No hardware acceleration for Windows.
4. HTML5 Readiness
5. Definitions:
5.1. Browser
5.1.1. A software program that allows the user to find and read encoded documents in a form suitable for display, especially such a program for use on the World Wide Web.
5.2. Plug-ins or Extensions
5.2.1. A software component that adds a specific feature to an existing software application.
6. Google Chrome 27
6.1. Pros
6.1.1. 1. Leading support for HTML 5. Fast. Hardware acceleration. Excellent security. Instant site prediction and loading.
6.1.2. 2. Extensions. Syncing. Built-in Flash player and PDF reader. Spell checking.
6.2. Cons
6.2.1. 1. Do Not Track privacy feature is buried and discouraged.
6.2.2. 2. Still some occasional minor site incompatibilities. Fonts occasionally jagged.
7. Mozilla Firefox 21
7.1. Pros
7.1.1. 1. Clean, minimal interface. Fast performance. Innovative tab implementation. Highly customizable. Good HTML5 support. Good security. Most cross-platform support. Social network integration via API.
7.1.2. 2. Syncing for tabs, history, passwords and now Extensions. Graphics hardware acceleration. Built-in PDF viewer. Independent from large vendor. Host of developer tools. Compatible with MacBook Retina displays.
7.2. Cons
7.2.1. 1. Lacks client-side tracking protection like that found in IE9.
7.2.2. 2. Lacks Chrome's built in Flash and Instant page view. Slightly trails Chrome in HTML5 features.
8. Explorer 10
8.1. Pros
8.1.1. 1. Fast. Lean interface. Decent HTML5 support. Excellent tab implementation. Top security and privacy features.
8.1.2. 2. All the browsing tools you want. Pinned sites for custom browsing.
8.2. Cons
8.2.1. 1. No built in Flash or PDF reader.
8.2.2. 2. Still lags on new Web tech support (WebGL, e.g.).