Web Browsers

• It is an application software that is used to display and interact with text, images and other information located on web pages at web sites on WWW.

• Examples– Inter Explore– Mozilla Firefox– Apple Saffari– Netscape

Features

• Standard Support– HTTP and HTTPS – HTML,XML,XHTML– Cascading style sheets

• Cascading Style Sheets (CSS) is a style sheet language used to describe the presentation semantics (that is, the look and formatting) of a document written in a markup language. Its most common application is to style web pages written in HTML and XHTML, but the language can be applied to any kind of XML document, including SVG and XUL.

Cookies

• a cookie (also tracking cookie, browser cookie, and HTTP cookie) is a small piece of text stored on a user's computer by a web browser. A cookie consists of one or more name-value pairs containing bits of information such as user preferences, shopping cart contents, the identifier for a server-based session, or other data used by websites

Tabbed browsing

• Tabbed browsing, also called a tabbed document interface (TDI), is a feature recently implemented in Web browsers to effectively contain multiple pages or documents in a single window. Each item occupies the browser's entire viewing area when displayed. Tabs facilitate navigation among the items. The term "tab" arises from the visual similarity to the physical tabs on manila folders used to store and organize hard copy.

caret navigation

• In computing, caret navigation is a kind of where a caret (also known as "text cursor", "text insertion cursor", or "text selection cursor") is used to navigate within a text document. It is a fundamental feature for applications that deal with text, for example text editors (the most famous examples: Emacs and Vim), word processors and desktop publishing programs.

• This kind of navigation is also supported by for example the Mozilla-based web browsers (Firefox 3, and some other browsers, where it is referred as "caret browsing".

spatial navigation

• In computing, spatial navigation is the ability to navigate between focusable elements, such as hyperlinks and form controls, within a structured document or user interface according to the spatial location.

• This method is widely used in application software like computer games.

Web Hosting

• It is Internet hosting service that allows the individuals and organizations to host their website and users with online systems for storing info,images,vedios and other contents accessible via WWW.

• Web Host– The companies that provide space on server

to their clients and they also provide internet connectivity.

• Web Surfing– It is way to explore the a sequence of web

sites in random, unplanned, simply use web to look something in questioning way.

• Hosting Uptime– it refers the percentage of time host is

accessible via internet.

Types of Hosting

• Free Web Hosting

• Shared Web Hosting

• Reseller Hosting

• Virtual Dedicated Server

• Dedicated Hosting Service

• Colocation Web Hosting

• Clustered Hosting

• Free Hosting– It is advertisement supported web hosting

• Free of cost• Security problem• Commercially not recommended and encouraged

• Shared Web Hosting– In Shared Web Hosting the sites of clients are

hosted at common server• Low Cost• Good for small business and average traffic• Low Security due to sharing• Restricted DB support

Dedicated Hosting

• In DH the web site is hosted on the dedicated computer .– Expensive option– Suitable for large web sites– Good for high traffic– Powerful DB support– Strong software support

• Reseller Web Hosting– When clients are allowed to become host

themselves and provide the hosting service to their clients.

• Virtual Dedicated Server– A VPS ( virtual dedicated server) provides the

feature for multiple web hosting in the form of virtual computers .

Collocated Hosting

• In collocated hosting client place its server on the premises of your service provider.

• Expensive solution

• High band width

• High up time

• High security

• Unlimited software options

Blog Hosting

• Blog Hosting is a hosting in which Weblog software also called blog software or blogware is being provided which consists of a specialized form of Content Management Systems specifically designed for creating and maintaining weblogs.

Video hosting

• Video hosting service allows individuals to upload video clips to an Internet website. The video host will then store the video on its server, and show the individual different types of code to allow others to view that video.

• Guild Hosting • A guild hosting or clan hosting service is a specialized type of web

hosting service designed to support online gaming communities, generally referred to as guilds or clans.

• Never 0 0 • Image Hosting • Image Hosting allows to store the image onto its server, and show

the individual different types of code to allow others to view that image.

File hosting

• File hosting is an online hosting service specifically created to host contents other than web pages. These contents are usually document files, images, videos, etc.

• Also known as online file storage service, file hosting works more like a remote backup service or online backup service. It enables clients to employ certain online programs to back up and store files. The companies offering such services are called managed backup providers. The majority of providers allow files stored on a per-gigabyte basis. Some file hosting services are free but come with adverts.