1. -Review of browsers architecture by Rohit Joshi

2.  Browser introduction
 Top Level Architecture
 Browser History/Lineage
 How various browsers are related
 Survey of Current Prevailing browser
 Who promotes them
 What is the differentiating factor
 Mobile Browsers

3.  Scripting (ECMA)
 JavaScript (JS)
 ActionScript (AS)
 HTML Document Structure
 CSS
 Tables
 DOM
 Plugins
 Flash
 Audio/Video
 Helper Application
 Adobe
 XML

4.  “A Web browser is a software application that
enables a user to display and interact with
text, images, and other information typically
located on a Web page at a website on the
World Wide Web or a local area network... Web
browsers format HTML information for
display, so the appearance of a Web page
may differ between browsers.”

7. Browser Creator Cost Open Source Engine Key Differentiator
Firefox Mozilla Free Yes Gecko  Feature rich
 Secure
 Plans for Firefox
Mobile
Opera Opera Free No Presto  Light Weight
Opera Mobile Opera 24$ No Presto  Can installs Java App
also
IExplorer Microsoft Win No Trident  -
Safari Apple Free No WebKit  UI
 HTML Speed
NetFront Access ? No ?  Best in class Widget
support
 Fast Rendering
 Bluestreak
Technology's Flash
playe
 EBO (Embedded
Browser Optimization)
from Bytemobile

8. Shorter Bars are better
– Safari is fast but not that fast, it has tweak to show better numbers
– Source ZD Net Here

9.  Mobile browsers are optimized to display Web content most effectively for small screens
 Current Mobile support most of PC browser functionality
 Typical Additional support
 WML, i-mode HTML, or cHTML,.
 Browsers used by major mobile phone and PDA vendors
 Android (mobile phone platform) by Google (based on WebKit)
 BlackBerry Browser by BlackBerry (proprietary)
 Blazer by Palm, installed on all newer Palm Treos and PDAs (based on NetFront).
 Internet Explorer Mobile by Microsoft Inc. (browser engine history unknown).
 MOTOMAGX by Motorola (based on WebKit).
 NetFront by ACCESS Co., Ltd. (proprietary).
 Nokia Series 40 Browser by Nokia (proprietary).
 Opera Mobile by Opera Software ASA (Norway). - Capable of reading HTML and reformat for small screens
(proprietary).
 Safari by Apple Inc on iPhone and iPod Touch (based on WebKit).
 Web Browser for S60 by Nokia (based on WebKit).
 Mobile HTML transcoders
 Mobile transcoders reformat and compress web content for mobile devices
 used in conjunction with built-in or user-installed microbrowsers
 Can also be used to design Complete UI
 Movial IXS
 KDE - Knoqueror

10.  Features from Marketing
 Faster content Display
 Faster Zoom In/Out
 Rendering Mode Changes are
Now Faster
 Backend Optimization
 UI consideration for Mobile
screen
 Fully integrated with Access
Linux Platform

11.  Never browser was named mozilla
 Phoenix, Galeon, Firefox
 Part of Mozilla Application Suite
 Managed by Mozilla Corporation
(Taxable entity)
 Wholly owned subsidary of Mozilla
Foundation (NPO)
 Mozilla Based
 FireFox (Managed by Mozilla
Foundation)
 Maemo has plan (GNOME MOBILE)
http://browser.garage.maemo.org/
 Movial has plan

12.  Developed by Apple
 Modified from KDE
(Konqueror)
 KHTML morphed to Webkit
 KJAVA morphed JavaScript-
Core
 KWQ came due to OS-X
Requirements
 UI Proprietary of Apple

13.  3 main components
UI
 Browser Application User Interface (Browser UI),
 Browser Engine (Engine) and
 Bookmark Manager (BM)
 Browser UI
 developed by Nokia
 It makes use of GTK with Hildon
 Hildon support can be disabled at compile time
EAL
 interacts with Engine via Engine Abstraction Layer
(EAL)
 EAL
 not dependent on any engine implementation
 open source component developed by Nokia.
 3 browser engines are compatible with the
Browser UI:
Variant EAL  Opera Engine, included in Nokia 770 and Nokia N800
devices as part of Internet Tablet OS 2005, 2006, and
2007 editions.
 Mozilla Engine which can be used in Nokia N800
device now. It is delivered together with the
development version of Mozilla based browser for
maemo.
 WebKit Engine is a community driven
implementation of GTK WebKit for maemo platform.
Variant Engine

14. Happy Browsing