Harvard Extension School, Fall 2018
CSCI E-12 Fundamentals of Web Site Development

## Benefits of Web Standards

Standards for:

- Markup (HTML)
  - Nu Html Checker
    `https://validator.w3.org/nu/`
- Style (CSS)
- Function (JavaScript)

Benefits:

- Improved Accessibility
  - People (Section 508, WAI)
  - Machines
    - Search Engines
    - Devices
- Stability
  - Forward-compatible and backward-compatible.
- Separation of Concerns (Structure, Style, Function)
  - lighter, cleaner pages
  - easier maintenance
  - easier redesign
- Validation

"Be liberal in what you accept, and
conservative in what you send"

"Postel's Law" or the "Robustness Principle"

Copyright © David Heitmeyer