1. Uniform Resource Locators (URLs)
Scheme
Port Number
Query
Host Name
Hierarchical portion
Fragment
CS 142 Lecture Notes: URLs and Links

2. CS 142 Lecture Notes: URLs and Links
<a> Examples
Full URL: <a href=" News</a>
Relative location: <a href="2008/March.html"> same as
Absolute location in same site: <a href="/stock/quote.html"> same as
New location, same page: <a href="#sec3">
Anchor definition: <a name="sec3">...</a>
CS 142 Lecture Notes: URLs and Links

3. CS 142 Lecture Notes: URLs and Links
Other Uses of URLs
Images:
<img src="icon.gif" />
Stylesheets:
<link rel="stylesheet" type="text/css" href="main.css" />
Embedded page:
<iframe src=" />
CS 142 Lecture Notes: URLs and Links

4. CS 140 Lecture Notes: File Systems