Google Chrome – Web browser, open-source software, developed by Google. Chrome uses engine WebKit to display Web pages, developed for Apple Safari browser based on KHTML. First public beta version of Chrome for Microsoft Windows went 2 Sept, 2008.
Unlike other browsers, in Chrome, each tab is a separate process. In the event of Chrome processing content tabs stall, it can be closed without risk of losing all the data in your browser. Chrome uses engine V8 for processing JavaScript. According to test speed, speed of processing scripts in Chrome is approximately the speed of the latest versions of Opera browser with coefficient 1,2 (Opera 9.50a = 1,0 Chrome, Opera 9.23 = 1,1 Chrome, Safari 3.0.3 = 1,3 Chrome).
Chrome contains more about: URI, as Firefox. In addition to the now familiar about: cache and about: plugins, in Chrome is different URI to the statistics. Also, Google Chrome includes the demonstration of ability to run external programs within the tab.

Mozilla Firefox – distributed free Web browser. Mozilla Firefox uses free portability engine Gecko, tailored to support open standards. Firefox code is also free and is triple the licensing GPL / LGPL / MPL.

Firefox web browser includes tab interface, check spelling, search as a set, live bookmarks, manager and search engine. The functionality of Firefox web browser can be indefinitely expanded by more than 2 000 extensions.

Rather than provide all possible with the standard, Firefox extensions provides a mechanism that allows users to modify the web browser in accordance with their requirements.
Firefox is one of the most flexible browser with the power settings: the user can install additional themes alter the appearance of the program, and expand, add new functionality.Such easy extensibility of Firefox web browser is achieved mainly through the use interface specially designed exclusively for Gecko language Markup XUL, and used in the Web, JavaScript and CSS, which sometimes leads to a slow work of the interface, and increased requirements for RAM than the browsers, relying more on the function of the window.

Firefox features:

• Firefox blocks pop-ups (English pop-up).
• Firefox supports tabs.
• Firefox has built a search pane in the search engines and dictionaries;
• Firefox implements many opportunities to customize the behavior and appearance;
• Firefox supports multiple extensions;
• Firefox has built tools for Web developers;
• automatic updates of both the browser and its extensions.

In mid-June, Apple company introduced to the public Windows-version of its internet browser Safari. Until then, only the users of Mac OS could work with the browser. According to the developers, Safari handles html-code and executes JavaScript up to two times faster than its competitors in the face browser Firefox, Opera and Internet Explorer. But experience shows that such testing involving the use of the best options for the advertised product (your computer’s configuration and structure in this case) and, consequently, are very approximate.
In the process of working with Safari, any significant advantage in speed was not observed. Rather, the subjective assessment of the author of this review, the browser Safari is much slower these programs.
Safari has all the features characteristic of modern web browsers.
Safari supports the opening pages, in a separate window, and in a new tab, export and import bookmarks, maintenance history, preservation of open pages in html-format printing, with the possibility preview. Also in Safari present search, spell-checking, the change of coding pages, pop-up blocker, reading news RSS, a simple download manager.
Design Safari implemented in strict style, which helps to focus and does not distract to work.