Post on 21-Dec-2015
WEB PAGES: CREATING AND MAINTAINING **
Wednesday: 2:00PM – 3:15PM
Instructor: Cajetan CordeiroTA: Tom Keane
Class Web Site: http://udel.edu/~cordeicf/web
Email: Cordeicf@Udel.Edu
Class Web Site: http://udel.edu/~cordeicf/web
Email: Cordeicf@Udel.Edu
PCs challenge TVs for leisure PCs challenge TVs for leisure attentionattention
“ The personal computer souped up withgigahertz of processing power and speedy
Internet connections is now a serious competitor for the TV when it comes to how
we spend our leisure time at home. ”
TheNewsJournal - Oct, 2003“CoffeeBreak”
Survey of 500 home computer owners
Want to spend more time to:
• 32 % want to publish a web site
• 21 % edit videos
• 17 % burn DVD’s
• 30% manage & edit digital photos
62 percent, said they expect the amount of things they do
on their computer to
increase over the next year
Answers to some basic questions….
So, you want to make a web page…
How many web pages are there on the Internet ?
www.google.com
• indexes the greatest number of web pages
• provides a free service that searches this index in less than a second.
• as of December 2001 !!
over two billion Google Mar 2009- Searching 25.21 billion web
pages
May 2009,- over 109.5 million websites operated.
The current estimated World Population is
~6.8 billion people*from the www.census.gov Feb 8, 2010
What is a web page ??
An HTML file
Located on the World Wide Web
Often hyperlinked to other documents on the Web
May reference other related files
A text file with HyperText Markup Language
A large network of server and client computers
C:\Users\Cajetan>tracert udel.edu
Tracing route to udel.edu [128.175.13.92] over a maximum of 30 hops:
1 7 ms 1 ms <1 ms 192.xxx.xx.xx
2 * * * Request timed out.
3 9 ms 9 ms 8 ms s01e1.springfield.ga.savannah.comcast.net [68.86.193.85]
4 10 ms 10 ms 10 ms te-1-1-ur01.tyboutscrnr.de.panjde.comcast.net [68.86.209.118]
5 9 ms 8 ms 9 ms 68.85.35.42
6 10 ms 11 ms 11 ms te-0-1-0-7-ar01.newcastle.de.panjde.comcast.net [68.86.153.246]
7 13 ms 11 ms 11 ms pos-0-4-0-0-ar01.401nbroadst.pa.panjde.comcast.net [68.86.210.209]
8 11 ms 11 ms 11 ms te-1-1-ur01.401nbroadst.pa.panjde.comcast.net [68.86.158.154]
9 12 ms 10 ms 11 ms ge-3-2-pr01.philly.pa.core.comcast.net [68.86.153.225]
10 10 ms 10 ms 10 ms 69.241.68.214
11 15 ms 13 ms 13 ms remote.udel1.magpi.net [216.27.98.38]
12 13 ms 11 ms 12 ms chp-rt2-v9.nss.udel.edu [128.175.111.10]
13 13 ms 12 ms 12 ms copland.udel.edu [128.175.13.92]
Trace complete.
What is a web page ??
• An HTML file
• A Text file with HyperText Markup Language
• Located on the World Wide Web• A huge network of servers and clients
• Often hyperlinked to other documents on the Web
•May reference other related files
Access other web pages through links
Pictures, sound, videos ...
Connected to a Server – Internet Service Provider
How do I access a web page ?
Dial-up
Cable
DSL
FIOS
U of D
Comcast
Verizon
AOL
Juno
EarthLink
Browser - A program that provides a means of viewing thecontents of web pages and of navigating from onepage to another.
Connected to a Server – Internet Service Provider
How do I access a web page ?
Located on
YOUR computer
NetscapeMozilla FireFox
Opera
Ace Explorer
Google Chrome
A browser must be able to read files
(e,g, written in HTML, CSS, Javascript),
from many different types of computers (PC's. Mac, PDA)
& Operating Systems (e.g. Windows, MAC-OS, Linux)
Specifications developed / maintained
by an international consortium
of developers / software companies
www.w3.org
What’s a Browser do ?
NetscapeMozilla FireFoxOperaAce ExplorerChrome
Browser -Internet Explorer
Address: http://www.udel.edu
Suffix The Domain Name Server (DNS)
How does a browser access a web page ?I.P. Address
Example
128.175.13.63
The Beauty of Domain Name ServersDNS is a rather amazing distributed database.
It handles billions of requests for billions of names every day through a network of millions of name servers administered by millions of people.
Every time you send an e-mail message or view a URL, you are making requests to multiple name servers scattered all over the globe.
What's amazing is that the process is usually completely invisible and extremely reliable!
howstuffworks.com
Internet Explorer
Address: http://www.udel.edu
The Domain Name Server (DNS)
Type.com.edu.net.gov.org
Locn..ca.jp.in.cnServer at the University of Delaware
Browser -Internet Explorer
Address: http://www.udel.edu/index.html
File Name
Default page - “ index.html ”
Root Directory
WindowsDocuments
& SettingsProgram Files
My Webfiles
C: DriveA: Drive D: Drive
webfile1.html
My Documents
webfile2.html webfile3.html
Internet Explorer
Address: http://www.udel.edu/academy/index.html
Sub-folder name &
File name
Suffix
“edu”Domain
“udel.edu”
Sub-domain
“www”
An Internet Address
Internet ExplorerAddress: http://www.udel.edu/academy/index.html
C:/my documents/my webfiles/index.html
Browser files can be:
On a web server
On your own computer
Internet Explorer
Address: http://www.udel.edu/academy/index.html
hypertext transport protocol
Other protocols include :
FTP – File transfer protocol
• WEB PAGES: CREATING AND MAINTAINING ** L19
Wednesday: 10:15 a.m.-11:15 a.m.
Instructor: Cajee Cordeiro
This fast-paced, in-depth course challenges students to learn the skills necessary to design, create, and publish a Web site using various programming methods with emphasis on learning HTML.
Limited to 12 students.
Amount of outside preparation required for each class:* 0-1 hours** 1-2 hours*** more than 2 hours
with emphasis on learning with emphasis on learning HTMLHTML
Tools!• Computer• Internet Connection• Browser ( to view )
• Software Program ( to create )
Microsoft Front Page Netscape (Mozilla) Composer
MS WORD Power Point
Etc, etc etc …
with emphasis on learning HTML
with emphasis on learning HTML
Notepad
WYSIWYG Editors
1. Plan Your Site2. Plan Your Site3. Plan Your Site4. Plan Your Site5. Plan Your Site6. Plan Your Site7. Plan Your Site8. Plan Your Site
Steps in creating a Basic Web Site
1. Plan Your Site2. Enter Your Text and Headlines3. Add Graphics4. Use Tables to Organize Information5. Add “links” to other pages6. Get a Host7. Domain Name8. Publish Your Web Site
Discussion… Questions…
Web Pages
HTML
Server
Browser
I.S.P.
DSL
Dial-Up
Client
DNS
W.W.W.index.htm
l
HTTP
http://udel.edu/~cordeicf/web
Web Site - ExamplesWeb Site - Examples
Civic League
CPAW
Frank and Ronni’s
Family
Pencader
Heritage
Yahoo!
Frank Romanelli’s Sample SitesFrank Romanelli’s Sample Sites
Haiti