Sign Language Archives - Dennis Deacon

Testing Methods: Prerecorded Sign Language

May 13, 2025July 21, 2025

WCAG 1.2.6 Sign Language (Prerecorded) is a Level AAA conformance level Success Criterion. It states that Sign language interpretation is provided for all prerecorded audio content in synchronized media.

Digital Accessibility and MufflersOctober 4, 2025
A loud muffler and an inaccessible chatbot share one truth: you chose it, you own it. Accessibility is your responsibility, even with third-party tools.
Testing Methods: Non-text ContrastSeptember 30, 2025
Testing methods for WCAG 1.4.11 Non-text Contrast, which ensures that visual elements must have a contrast ratio of at least 3:1 against adjacent colors in cases of UI components and informative graphics.
ARIA and Real World DangersSeptember 27, 2025
Learn ARIA deeply before deploying it broadly. HTML should always be the first tool of choice. Use ARIA only when necessary, and only with precision. Done right, ARIA enhances accessibility. Done wrong, it undermines it.
Baby Steps Accessibility – PDFsSeptember 24, 2025
Most PDFs aren’t accessible, and fixing them isn’t just a technical task, it’s a strategy. From quick checks to large-scale remediation, learn how to prioritize, prepare, and build sustainable practices that make your documents truly inclusive.
Testing Methods: ReflowSeptember 23, 2025
Reflow is one of the most practical accessibility requirements, ensuring content adapts without loss of information or function, even at 400% zoom or on small mobile screens. I break down how automated tools, AI-driven approaches, and manual testing each play a role in catching reflow issues, and why a blended approach is the most effective path to real accessibility.