2. How The Web Works
Browser Connects
& Requests a Page
Server Sends Back
The Requested Page
3. How does it know where to look?
Anatomy of a Uniform Resource Locator (URL)
http://www.chuckscoggins.com/index.html
4. Anatomy of a URL
http://www.chuckscoggins.com/index.html
The Protocol
(Hypertext Transfer Protocol)
5. Anatomy of a URL
http://www.chuckscoggins.com/index.html
The Location (Web Server)
The Domain Name Server (DNS) translates
the domain name into an IP address.
6. Anatomy of a URL
http://www.chuckscoggins.com/index.html
74.53.24.242
7. Anatomy of a URL
http://www.chuckscoggins.com/index.html
The File Name
8. Anatomy of a Web Page
HTML
The file that is sent from the web server
contains hypertext markup information.
9. Say What!??!
HTML
The file that is sent from the web server
contains hypertext markup information.
10. Say What!??!
HTML
The file that is sent from the web server
contains hypertext markup information.
the web page you want to view
11. Say What!??!
HTML
The file that is sent from the web server
contains hypertext markup information.
Across the internet, translated into electrical signals
(1’s and 0’s) that get sent across wires,
using TCP/IP hypertext transfer protocol.
12. Say What!??!
HTML
The file that is sent from the web server
contains hypertext markup information.
A computer at a hosting company that is
running software that “serves” up web page files.
13. Say What!??!
HTML
The file that is sent from the web server
contains hypertext markup information.
The “code” or markup text that
the programmer/designer puts in the html file.
14. Anatomy of a Web Page
HTML
The file that is sent from the web server
contains hypertext markup information.
Browser
Interprets the hypertext markup information,
scripts, etc. in order to display the page.
15. File Transfer Protocol
FTP
A different protocol than “http” that is
used for transferring / moving files from
computer to computer (or server to server).
