Portable Google Chrome 0.4.154.23 Beta Multilanguage

Portable Google Chrome 0.4.154.23 Beta MultiLang | 9.27 MB

Google Chrome is a browser that combines a minimal design with sophisticated
technology to make the web faster, safer, and easier. It has one box for
everything: Type in the address bar and get suggestions for both search and web
pages. Will give you thumbnails of your top sites; Access your favorite pages
instantly with lightning speed from any new tab.

Google Chrome is an open source web browser developed by Google. Its software
architecture was engineered from scratch (using components from other open
source software including WebKit and Mozilla Firefox) to cater for the changing
needs of users and acknowledging that today most web sites aren’t web pages but
web applications. Design goals include stability, speed, security and a clean,
simple and efficient user interface.



Security

• Sandboxing

Every tab in Chrome is sandboxed, so that a tab can display contents of a web
page and accept user input, but it will not be able to read the user’s desktop
or personal files. Google say they have “taken the existing process boundary-
and made it into a jail”. There is an exception to this rule; browser plugins
such as Adobe Flash Player do not run within the boundaries of the tab jail, and
so users will still be vulnerable to cross-browser exploits based on plugins,
until plugins have been updated to work with the new Chrome security. Google has
also developed a new phishing blacklist, which will be built into Chrome, as
well as made available via a separate public API.

• Privacy

Google announces a so-called incognito mode claiming that it “lets you browse
the web in complete privacy because it doesn’t record any of your activity”. No
features of this, and no implications of the default mode with respect to
Google’s database are given.

• Speed

Speed improvements are a primary design goal.



Stability

• Multiprocessing

The Gears team were considering a multithreaded browser (noting that a problem
with existing web browser implementations was that they are inherently
single-threaded) and Chrome implemented this concept with a multiprocessing
architecture. A separate process is allocated to each task (eg tabs, plugins),
as is the case with modern operating systems. This prevents tasks from
interfering with each other which is good for both security and stability; an
attacker successfully gaining access to one application does not give them
access to all and failure in one application results in a “Sad Tab” screen of
death. This strategy exacts a fixed per-process cost up front but results in
less memory bloat overall as fragmentation is confined to each process and no
longer results in further memory allocations. To complement this, Chrome will
also feature a process manager which will allow the user to see how much memory
and CPU each tab is using, as well as kill unresponsive tabs.



User interface

• Features

Chrome has added some commonly used plugin-specific features of other browsers
into the default package, such as an Incognito tab mode, where no logs of the
user activity are stored, and all cookies from the session are discarded. As a
part of Chrome’s V8 JavaScript virtual machine, pop-up JavaScript windows will
not be shown by default, and will instead appear as a small bar at the bottom of
the interface until the user wishes to display or hide the window. Chrome will
include support for web applications running alongside other local applications
on the computer. Tabs can be put in a web-app mode, where the omnibar and
controls will be hidden with the goal of allowing the user to use the web-app
without the browser “in the way”.

• Rendering Engine

Chrome uses the WebKit rendering engine on advice from the Gears team because it
is simple, memory efficient, useful on embedded devices and easy to learn for
new developers.

• Tabs

While all of the major tabbed web browsers (e.g. Internet Explorer, Firefox)
have been designed with the window as the primary container, Chrome will put
tabs first (similar to Opera). The most immediate way this will show is in the
user interface: tabs will be at the top of the window, instead of below the
controls, as in the other major tabbed browsers. In Chrome, each tab will be an
individual process, and each will have its own browser controls and address bar
(dubbed omnibox), a design that adds stability to the browser. If one tab fails
only one process dies; the browser can still be used as normal with the
exception of the dead tab. Chrome will also implement a New Tab Page which shows
the nine most visited pages in thumbnails, along with the most searched on
sites, most recently bookmarked sites, and most recently closed tabs, upon
opening a new tab, similar to Opera’s “Speed Dial” page.



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