Are There Whales In
Lake Michigan ?
A Seven Step Approach To Evaluating Web Page A-G
Chapter D – Domain Anatomy
http://21centuryedtech.wordpress.com
http://21centuryedtech.wikispaces.com
Michael Gorman
2011
Creative Commons
@21centuryedtech
mjgorman
This power point may not be
video taped or redistributed
without permission
http://21centuryedtech.wordpress.com/
Michael Gorman Presents
A Mini Power Point
Seven Steps To Effective Web
Site Evaluation (A-G)
STEP A
Introducing The ABC’s of
Web Research
Along with the
DEFG’s
The Seven Steps To
Web Site Evaluation
DOMAIN ANATOMY
What is the meaning
behind a URL?
D. Domain Anatomy
Know The Main Domain… Basic web site name
Identify The Top Level Domain… Type of site & country code
Recognize The Mapping… Shows specific page on server
What Does It Mean – Relationship to research
Main Domain
Top Level
Domain
1st Dot to 2nd Dot
(Suffix)
Country Code Not
Always listed
Mapping
directory/files
on servers
Main Domain
•http://www.
biginfo.com/ca/infile.html
• first dot to the second dot
• usually contains main name of web site
• may give hint of sponsor or host
Top Level Domain
•http://www.biginfo
.com/ca/infile.html
• comes after second dot
• contains the type of website (usually 3 letter code)
• may contain two letter code for county of origin
Mapping
.
•http://www.biginfo com/ca/
infile.html
• follows the Top Domain
• usually shows server directory of site
• usually identifies folders, files, and file types
What Does It Mean
• helps determine sponsor, host, or author
• can help detect type of site in Top Domain
• top domain with country origin may give viewpoint
• portions can be used to get more information
(example http://www.biginfo.com
Web Example
D. Domain Anatomy:
Does Domain Name Complement
Research?
http://www.peta.org/about/faq-veg.asp
http://www.mypyramid.gov/tips_resources/vegetari
an_diets.html
http://www.vegetarian.com/
Which page gives the best arguments to persuade
people to be vegetarians?
D. Main Domain…
st
1
Dot to
nd
2
Dot
http://www.peta.org/about/faq-veg.asp
http://www.mypyramid.gov/tips_resources/vegetari
an_diets.html
http://www.vegetarian.com/
The Top Domain of the URL may name organization or
what the web site is about
D. Know Top Level Domain… Suffix
.com
.edu
.k12
.org
.gov
.mil
.net
.int
.us
business, commercial, company (usually profit minded)
usually a college or university
k12 school usually followed by state abbr. and US
organization, club, interest group
government agency
military interest
independent organization, non profit, non educational
international group
country code (us=United States, ca=Canada, au=Australia
Next, get to know the Top Level Domain for
the Root
Is it relevant for what you need?
D. Top Domain May Contain Country Code
.us
.uk
.au
.cu
.ru
.cn
.it
United States
United Kingdom
Australia
Cuba
Russia
China
Italy
If no country code listed then assume host country
http://www.iana.org/domains/root/db/ (look it up)
http://www.biginfo.com/ca/infile.hlml
Get to know the Top Level Domain
Is it relevant for what you need?
D. TLD… Top Level Domain
http://www.peta.org/about/faqveg.asp
http://www.mypyramid.gov/tips_
resources/vegetarian_diets.html
http://www.vegetarian.com/
Top Domain may give the intent of author or organization.
Does it match your needs?
D. Mapping…After Top Level Domain
http://www.peta.org/about/faq-veg.asp
http://www.mypyramid.gov/tips_resources/vegetari
an_diets.html
http://www.vegetarian.com/
No Mapping means
front page of site
The mapping gives additional directories or types of files
D. Domain Anatomy: 3 Sites
http://www.peta.org/about/faq-veg.asp
PETA is an organization that protects animal rights
D. Domain Anatomy: 3 Sites
http://www.mypyramid.gov/tips_resources/vegetarian_diets.html
MyPyramid is sponsored by United States Dept of
Agriculture and is a government site to provide information.
D. Domain Anatomy: 3 Sites
http://www.vegetarian.com/
Vegetarian.com is a commercial site promoting
vegetarian restaurants.
D. Domain Anatomy: The Winning Site
http://www.peta.org/about/faq-veg.asp
http://www.mypyramid.gov/tips_resources/vegetari
an_diets.html
http://www.vegetarian.com/
What order would you put these in if you were looking
for the most reliable factual information?
D. Domain Anatomy: The Answer
http://www.mypyramid.gov/tips_resources/vegetari
an_diets.html
http://www.peta.org/about/faq-veg.asp
http://www.vegetarian.com/
Chances are it would be the gov site although the org
site may help you brainstorm ideas
Evaluating A Web Site
A-G
Michael Gorman (mjgormans@gmail.com) 21centuryedtech Fort Wayne, Indiana
Creative Commons: For classroom use only – Please obtain permission
for professional development and teacher in-service purpose.
Are There Whales In Lake Michigan?
Facilitator For National
STEM Institute
Teacher Of The Year
Fort Wayne Chapter USA
Air Force Association
Michael J. Gorman
21centuryedtech
Fort Wayne, Indiana
International
Professional
Development
Co-chair
Johns Hopkins University, Indiana University,
Western Michigan University
ISTE - International Society For Technology In Education
Board Member
All resources available at :
Communications
www.21centuryedtech.wikispaces.com
Chair
www.21centuryedtech.wordpress.com
Twitter @mjgormans