1. Cons:
1.1. Internet Explorer is also known to get a lot of viruses.
1.2. Hackers know the system, and know it very well.
2. Pros:
2.1. my favorite feature about Chrome is the user interface.
2.2. There are no major improvements in Google's Chrome 15, but the minor upgrades are enough to keep it on top.
3. Cons:
3.1. With a Google browser you can’t hide anything anymore.
3.2. Chrome still does not work correctly with certain websites.
4. Marketshare
5. Google Chrome 23
6. Mozilla Firefox 16.02
6.1. Pros:
6.1.1. My personal favorite feature of Firefox is the wide variety of add-ons.
6.1.2. Firefox remains a browser to be reckoned with: its clean design, fast performance, and vanguard support for Web technologies shouldn't be ignored
6.2. Cons:
6.2.1. Firefox always takes forever to open.
6.2.2. Lacks client-side tracking protection like that found in IE9. Lacks Chrome's built in Flash, PDF reader, and Instant page view.
7. Explorer 9
7.1. Pros:
7.1.1. A major overhaul for design, speed, and standards compatibility makes IE a contender
7.1.2. First was Internet Explorer, with its Tracking Protection.
8. define: browser extension
9. Define: HTML5
10. Apple Safari 5
10.1. Pros:
10.1.1. Safari stays one step ahead and suggests a Top Hit — the closest match to what you’re looking for.
10.1.2. Built-in sharing. Everyone’s in on it.
10.2. Cons:
10.2.1. "Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution,"
10.2.2. addresses a handful of JavaScript vulnerabilities.
11. Opera 12.10
11.1. Pros:
11.1.1. the desktop browser now has OS X notifications, Retina support, pinch zoom and inertia scrolling
11.1.2. it syncs search engines!
11.2. Cons:
11.2.1. the images on the top does not match the images at the bottom ...
11.2.2. most crash-prone browser ever.