Viewing HTTP Headers
Use one of these tools to look at the HTTP headers of some websites:
HTTP Web Sniffer
Rex Swain's HTTP Viewer
HTTP Head Request Viewer
Check the headers for "ostfalia.de". What does 302 mean? Where is the
actual ostfalia website located? What webserver and
content management system software does Ostfalia use?
Is there a difference between "www.google.de" and "google.de"?
How many cookies does Google send with each page?
What webserver software does Google use?
What webserver software does W3C (www.w3.org) use? Where is their main
Information sent to the server
Fill the blanks in the table:
Information received from the server
A user searches for a hat, a book and a watch on an on-line shopping website.
The user selects the first item and then searches for the next one. After selecting
the three items, the user clicks on the shopping cart page, views the items
and pays. How is this implemented? The user can go back and forth between searches
and viewing the shopping cart. How does the server keep track of what the user
has already put in the cart? What information is sent between client and
server/what is stored on the server/client ...
- when the user first enters the site
- when the user selects an item
- when the user checks out and pays?