IxDF Certificate of Completion

Identify accessibility failures specific to dynamic web pages, and apply WCAG 2.0 and ARIA to resolve them.

Use ARIA landmarks and live regions so screen readers can navigate and follow real-time content changes.

Make the legal, ethical, and business case for accessible interface design, including relevant disability legislation across the US, UK, and Europe.

Preserve expected navigation behavior in dynamic pages, including the back button, browser history, and bookmarkable URLs, so users aren't left disoriented.

Design for server failure and slow responses in Ajax applications, so users experience a graceful fallback rather than a broken interface.

Evaluate dynamic interfaces against the five goals of effective Ajax use: screen space optimization, maximizing efficiency, reducing page loads, real-time updates, and attracting user attention.

Apply progressive enhancement and graceful degradation to ensure dynamic pages work across all devices, browsers, and connection speeds.

Select appropriate JavaScript frameworks and libraries for a project, including the trade-offs between full frameworks like GWT and lightweight libraries like jQuery.

Design dynamic feedback that's timely, physically close to its cause, and meaningful to users, in line with established usability principles.

Manage the SEO implications of dynamically loaded content, and design Ajax pages that remain indexable by search engines.

Separate content, presentation, and behavior in Ajax implementations, as demonstrated through a complete real-world case study.

Explain how Ajax works technically, including XMLHTTPRequest, the DOM, and the difference between synchronous and asynchronous page requests.

Apply flow theory to dynamic interface design, understanding how feedback, interruption, and transparency affect user engagement and task completion.

Recognize and design around change blindness and attentional gambling to ensure users notice critical updates on screen.