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World Wide Web-Part A
The next layer
COMP1401 1
COMP1401 2
https://www.youtube.com/watch?v=guvsH5OFizE
World Wide Web vs the Internet
•World Wide Web is an application that
runs on top of the Internet
–Internet = plumbing
–Accessed via a web browser
•Google, Mozilla, Firefox, Safari, etc
COMP1401 3
Web Pages
•Documents that contain content on the
web
•Building blocks of the WWW
•Contain Hyperlinks –links that create a
web of interconnected information
–Before hyperlinks, you had to search
the files for a new document
COMP1401 4
Hypertext
•The text that contains the hyperlinks,
usually found in a web page
•Each hypertext page (aka web page)
needs a unique address. This address is
called the
–Uniform Resource Locator (URL)
COMP1401 5
HOW DO WE GET TO SEE A WEB PAGE
Hypertext Transfer Protocol
COMP1401 6
HTTP –Hypertext Transfer Protocol
•This is the special language/rules that are
used to load web pages using hypertext
links
