.jpg "Mozilla Firefox 21.0 Beta 3")
Mozilla Firefox 21.0 Beta 3 user - the browser of a new
generation of Mozilla Foundation. Made it through the engine, and Mozilla
allows you to view all Web pages in one window mnogovkladochnom, but also has
many other useful options, including the ability to significantly enhance
connectivity plug-ins (and released them a great many).
Key Benefits in Mozilla Firefox 21.0 Beta 3 user:
- Convenient bookmarks bar that allows one-click to create a
bookmark or go to your favorite website and learn the latest news titles.
- Integrated search bar that you can use to find information
on the various search engines. The number of search engines can be increased by
installing the necessary plugins.
- Tabs. The ability to view and work with multiple sites at
the same time in separate tabs in a single browser window.
- Mozilla Firefox -Automatic Update. In most cases the size
of the updates is not more than a few hundred kilobytes.
- Protection of privacy. One click of the mouse you can
delete all personal data, browsing history, cookies, Web form data, passwords,
...
- Safe navigation on the Internet. Firefox keeps your
privacy, protects against viruses, spyware and pop-ups. And with instant
identification of websites Firefox blocks the access to websites network of
crooks, dangerous transactions and forgeries.
- Full scale. Ability to view any part of the web page in a
larger size.
- Supports RSS. The ability to create bookmarks.
- Extensibility. Mozilla Firefox - the browser that has the
largest number of add-ons (plug-ins). You can customize the toolbar to put
additional modules and themes. With plug-ins Mozilla Firefox is transformed
from a small compact browser lovely multi-functional tool for exploring the
World Wide Web.
The main advantages in Mozilla Firefox user:
- Convenient bookmarks bar that allows one-click to create a
bookmark or go to your favorite website and learn the latest news titles.
- Integrated search bar that you can use to find information
on the various search engines. The number of search engines can be increased by
installing the necessary plugins.
- Tabs. The ability to view and work with multiple sites at
the same time in separate tabs in a single browser window.
- Automatic Update. In most cases the size of the updates is
not more than a few hundred kilobytes.
- Protection of privacy. One click of the mouse you can
delete all personal data, browsing history, cookies, Web form data, passwords,
...
- Safe navigation on the Internet. Firefox keeps your
privacy, protects against viruses, spyware and pop-ups. And with instant
identification of websites Firefox blocks the access to websites network of
crooks, dangerous transactions and forgeries.
- Full scale. Ability to view any part of the web page in a
larger size.
- Supports RSS. The ability to create bookmarks.
- Extensibility. Mozilla Firefox - the browser that has the
largest number of add-ons (plug-ins). You can customize the toolbar to put
additional modules and themes. With plug-ins Mozilla Firefox is transformed
from a small compact browser lovely multi-functional tool for exploring the
World Wide Web.
The main features of Firefox:
- The transition to the new JIT-compiler IonMonkey, which
will significantly improve the performance of javascript applications through
the use of a new method JIT-compiled and advanced optimization techniques. When
the test suite Kraken Firefox 18 IonMonkey showed performance gains of 26%
compared to Firefox 17. In the test the V8 benchmark Firefox 18 Firefox 17 was
ahead by 7%.
- Of the features of the system can be noted IonMonkey
probabilistic assessment types, in which the proposed hybrid method of static
and dynamic analysis, which gives the ability to precisely match types for each
variable and each property javascript-program that allows you to get rid of the
large number of additional checks at run javascript . In addition, IonMonkey
implemented adaptive methods for selecting a particular optimization techniques
for executing javascript-code. If the JIT-compiler of the first two generations
(TraceMonkey and JagerMonkey) supported only direct one-way broadcast of
javascript into machine instructions, IonMonkey further provided with means for
feedback, allowing to assess the effectiveness of the implementation of the
generated instructions, if necessary, make adjustments and optimization,
considering the peculiarities of executing javascript code.
- Among other improvements IonMonkey: involvement of
technology LICM (Loop-Invariant Code Motion) for removal instructions out of
loops, support method GVN (Global Value Numbering) to eliminate redundant code,
implementation of a linear distribution scheme registers LSRA (Linear Scan
Register Allocation), used also in projects such as the HotSpot JVM and LLVM;
support DCE (Dead Code Elimination) to remove unused code, a new analyzer
borders, eliminating the need for extra checks for output buffer boundaries;
Function block unsafe download content when accessing the
site via HTTPS. In particular, the opening of the site over HTTPS will be able
to block the display units to be included in the page without using encryption.
By default, the function is turned off, to activate it, change the settings via
about: config. Interestingly, the proposal for the implementation of this
feature was added 12 years ago;
- Support for the W3C Touch Events in addition to the
previously implemented experimental technology MozTouch Events, with the
implementation of event-handling methods of touch screens, including support
for handling multiple touches (multitouch);
- Initial support protocol WebRTC, allowing a special
javascript API, implemented in a browser running Web-based applications
provided with means for audio and video communication in real-time. For
example, you can make as a web-application software VoIP-phone. To enable
support for WebRTC in settings about: config should specify
media.peerconnection.enabled = true;
- Improved quality of image display due to the transition to
a new and improved scaling algorithm HTML. In Firefox 18, this improvement is
enabled by default and will be activated only in Firefox 19;
- Improved performance of the code responsible for switching
between tabs, support CSS3-Flexbox properties for a simplified block layout of
elements on the page. By default, support Flexbox inactive for inclusion in the
settings about: config should specify layout.css.flexbox.enable = true;
- Support for DOM-properties window.devicePixelRatio, which
determines the relative size of the pixels, which makes it possible to provide
a web-application selection of the correct size buttons and controls within the
parameters of the current screen;
- Support pseudo "@ supports", which allows to
test the support of specific properties and values of CSS. If support is requested property is absent, the developer an
opportunity to transparently use the program fallback; Accelerate launch the
browser by optimizing the processing of certificates for certified digital
signature additions;
- Support for high-definition screens Retina (HiDPI), used
in the new MacBook Pro.
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