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

## Features of the World Wide Web

- HyperText Information System

- Cross-Platform and Cross-Device

- Distributed
  - 249 million unique domains, 189 million active sites, and 9.5 million "web-facing" computers
    (Netcraft January 2020 Web Server Survey)
- Open Standards
  - TCP/IP, HTTP, HTML, CSS, JavaScript
- Open Source
  - Mozilla, WebKit, Apache HTTP Server, JavaScript, PHP, Python, etc.
- Web Browser: provides a single interface to many services
  - Information, Shopping, Finance, Communication, Business, etc.
- Dynamic, Interactive, Evolving

Copyright © David Heitmeyer