Harvard Extension School
CSCI E-12 Fundamentals of Web Site Development | Spring 2020

## A Web Address - URLs (and URIs)

- URL/URI
  `http://www.whitehouse.gov/our-government/the-constitution`
- Scheme
  `http://www.whitehouse.gov/our-government/the-constitution`
- Host
  `http://www.whitehouse.gov/our-government/the-constitution`
- Path
  `http://www.whitehouse.gov/our-government/the-constitution`

### Names and Locations: URLs, URIs, and URNs

- URI: Uniform Resource Identifier
  - URL: Uniform Resource Locator
  - URN: Uniform Resource Name

Copyright © David Heitmeyer