Chapter 2 - Publishing Online

2
Publishing Online

Web 2.0:
Concepts and
Applications

Overview

 Blogs and wikis are two Web 2.0 tools that
allow users to publish content online
– Blogs function as online journals
– Wikis are collections of searchable, linked Web
pages that users can create or edit collaboratively
 A Web site is a collection of related Web
pages that are usually hosted on the same
server

Chapter 2: Publishing Online 2

Overview


The Structure of Web-based
Applications
 Blogs and wikis both offer users a simple way
to publish content to the Web without the need
to know HTML
 HTML uses tags to instruct a Web browser
how to display a Web page
– Cascading Style Sheets (CSS) is a complementary
technology that specifies fonts, colors, layout, and
placement


Applications


Applications
 Many Web applications use a three-tiered
structure that allows users to interact with the
Web site
– Presentation tier deals with presentation of
information
– Middle tier is responsible for processing user input
• Also called the business logic tier
– Database tier is responsible for retrieving
requested information


Understanding Blogs

 Users update their blogs by entering new
content using a blogging application
– Collection of all bloggers (people who post to their
blogs) and their blogs is referred to as the
blogosphere
– A permalink can be used to link to a specific article
on a blog
– Blog members read and follow a blog


Corporate Blogs


Understanding Blogs

 Citizen journalists share their thoughts about
news and events


News and Opinion Blogs


Searching Frequently Updated
Web Content
 The World Live Web refers to the ever-
changing nature of all types of information on
the Web
– News headlines
– Frequently updated blogs
– Updates on social networks
– Popular terms on search engines


Searching Frequently Updated
Web Content


Web-Based Blogging
Applications


Interacting with a Blogger Blog
 Components of most blogging applications include
the ability to:
– Create and edit blog posts
– Configure the blog’s settings
– Select a design template and customize its layout


 To create a blog
post, enter the title
of the post
 Use the text editor
to perform basic
text formatting
 Create hyperlinks
and upload
images and
videos
 You can edit or
delete posts


 The Settings tab contains options for specifying:
– Blog’s title and description
– Whether the blog should be added to Blogger’s blog listings
– Whether search engines will be allowed to index the blog
when a new post is submitted
– Formatting settings
– Whether to display blog comments
– Email and mobile settings
– Permissions settings



 The Layout tab allows you to configure your
blog by customizing:
– Page elements
• Gadgets / widgets
– Fonts and colors
– Templates


Blogging with Multimedia

 Bloggers can upload images and videos from
their computer, or third-party multimedia
sharing services such as Flickr or YouTube
 Adding images to a blog enhances the blog
– Most blogging applications resize images so that
they fit in the content area
– Use images in a compressed image format to
reduce size



 You can embed content in a blog or on a Web
page


 Most video-sharing Web sites contain the embed code that
you should place into your blog application’s HTML editor


 Video blogs are
blogs whose
posts primarily
contain videos
recorded by or
featuring the
owner of the blog


Extending a Blog’s Value

 After creating a blog, you should publicize it to
increase traffic
– Include blog URL in e-mail signature
– Add links/information to social networking sites
– Become an active participant on other blogs
– Back (inbound) links and outbound links
– Post reciprocal links
– Notify search engines (ping) when there is updated
content


 Advertising is the main
source of revenue for
most blogs
– Leaderboard/banner ads
– Skyscraper ads
 Context-sensitive text,
image, or video
advertisements are
related to page content



 Google AdSense ads displayed on a blog are
priced at either
– Cost-per-click (CPC)
• Paid when users click an advertisement
– Cost-per-1000-impressions (CPM)
• Paid when the ad appears 1000 times
 Blogger offers built-in functionality to work with
Google AdSense


Understanding Wikis

 A wiki is a collection of Web pages where
users can add, discuss, or edit existing content
that they, or others, have created
 Contributors of wikis usually have to register to
be able to make changes
 Wikis have an open structure allowing users to
create new pages and link existing pages


Understanding Wikis


Understanding Wikis

 Many wiki providers host wiki applications on
their own servers and allow contributors to use
their features at no cost
– They charge additional fees for increased storage
 Domain names assigned by hosting services
typically contain elements of both the
provider’s and user’s domain name
 Custom domain names are shorter and easier
to remember

Understanding Wikis


Understanding Wikis

 Wikis can be used in many different settings,
such as in a college information technology
course
– Students can post and share their notes
– Users can create or edit an article using a
WYSIWYG editor
– Wiki administrator can track how page was
modified over time, and who made each change
• Revisions page


Understanding Wikis


Wikipedia

 Successful online encyclopedia generated by
contributors
 Contains more than 3.1 million articles
 Sandbox page helps users learn how to use
the wiki application software
 New articles are first posted in a private
section until reviewers provide feedback and
corrections are made
– Moved to live site after corrections are made

Wikipedia


Google Wave

 Integrated collaboration tool that combines
features from blogs, wikis, instant messaging,
and e-mail
 Streams of communication are called waves
– Waves are composed of blips


Google Wave


Summary
 Blogs and wikis facilitate the process of creating and
sharing online content
 Three-tiered architecture of Web applications
 Blogging is a popular tool for individuals and
organizations
 Blogs usually are authored and maintained by
individuals, whereas wikis reflect the knowledge of a
community
 Wikis are a useful collaboration tool


2
Publishing Online

Chapter 2
Complete

Web 2.0:
Concepts and
Applications

Chapter 2 - Publishing Online

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