2. 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
5. 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
Chapter 2: Publishing Online 5
6. The Structure of Web-based
Applications
Chapter 2: Publishing Online 6
7. The Structure of Web-based
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
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8. 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
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12. 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
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15. 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
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16. Interacting with a Blogger Blog
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
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17. Interacting with a Blogger Blog
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
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19. Interacting with a Blogger Blog
The Layout tab allows you to configure your
blog by customizing:
– Page elements
• Gadgets / widgets
– Fonts and colors
– Templates
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20. 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
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25. Blogging with Multimedia
Most video-sharing Web sites contain the embed code that
you should place into your blog application’s HTML editor
Chapter 2: Publishing Online 25
26. Blogging with Multimedia
Video blogs are
blogs whose
posts primarily
contain videos
recorded by or
featuring the
owner of the blog
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27. 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
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29. Extending a Blog’s Value
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
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31. Extending a Blog’s Value
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
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33. 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
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36. 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
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38. 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
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40. 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
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42. 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
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44. 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
Chapter 2: Publishing Online 44
