L11 - Optimization & Accessibility

This lecture deals with quality improvements of your application though the aspects of accessability and optimizations.

The lecture covers topics like:

• Why and what on accessability

Presentation

View the presentation "Optimization & Accessibility" with Johan Leitet.

The slides are here.

There is an English version and a Swedish version of the presentation.

• English version (2017), 47min.
• Swedish version (2016), 45min.

Resources

About accessibility, the basics.

• MDN on Accessability, an overview of the area.

• MDN Learn Accessability to learn more on the area.

• W3C on Accessability

• W3C Web Content Accessibility Guidelines (WCAG) Overview.

• WebAIM: Web accessibility in mind

Tools to test accessability and performance (and more aspects).

• Colorblind Web Page Filter tool to test how a color bild person sees your website.

• Check the Accessability and Performance using PageSpeed Insights.

  • Learn more on the development tool Google Lighthouse

Try how a screenreader works on your website.

• Try a screenreader ChromeVox.
  • Making Accessible Web Apps Using HTML5 and ChromeVox (video).

DIGG, Swedish organisation on how authorities should develop their websites, on tools and guidelines for accessability.

• DIGG: Automatic test Tools
• DIGG: Simulators to understand how other experience your website

About optimization.

• Google: Make the Web Faster

• Javascript language optimizationFranziska Hinkelmann - A Trip to the Zoo
• Jake Archibald - Modern progressive enhancement
• CSS Sprites CSS Sprites: What They Are, Why They’re Cool, and How To Use Them
• CDN - What is a CDN?
  • Why use a CDN
  • Why not to use a CDN