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This section contains articles in English that deal with accessibility and relevant standards in the European context, the BITV-Test, and issues around accessibility evaluation and testing methodology. Many more articles in German can be found in the Infothek on the German language version of this site.

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09. January 12

Interpreting WCAG 2.0
The style switcher loophole

Opinion has long been divided on the use of style switchers for improved text contrast and size. While there are pros and cons, the use of style switchers to provide conforming alternate versions in order to meet WCAG success criteria can cause serious accessibility problems, especially for users with low vision.   [more] zu: Interpreting WCAG 2.0 - The style switcher loophole

WCAG, User needs

 

20. August 11

Interpreting WCAG 2.0
Text resizing: Why page zoom is not good enough - or is it? (update 10 January 2012)

What do you need to do to ensure that users can resize the text on your web page? A quick look at WCAG's "How to meet 1.4.4 (Resize Text)" suggests that relying on browsers' page zoom is sufficient. So far, failure F69 has given us reason also to require text-only resizing to work. Now WCAG WG has announced an overhaul of F69.   [more] zu: Interpreting WCAG 2.0 - Text resizing: Why page zoom is not good enough - or is it? (update 10 January 2012)

HTML and CSS, WCAG, BITV, User needs

 

18. August 11

Test development
Some accessibility evaluation problems to be addressed by EVAL TF

The objective of W3C's new Evaluation Methodology Task Force (Eval TF) ist to develop an internationally harmonized methodology for evaluating the conformance of websites to WCAG 2.0. In this article, we try to identify some of the key problems ahead.   [more] zu: Test development - Some accessibility evaluation problems to be addressed by EVAL TF

Test development, WCAG

 

04. August 11

Tests
The accessibility of Facebook

We have investigated the accessibility of Facebook in three subsequent "Tests of the Month" (May, June and July 2011). This article sums up the main findings.   [more] zu: Tests - The accessibility of Facebook

Tests, HTML and CSS, JavaScript, WAI-ARIA

 

04. August 11

Tests
The accessibility of Facebook, Part 3: Daily use

The third and final Facebook test looks at activities in daily use, such as finding friends or sending status messages. How does Facebook fare here, in terms of accessibility?   [more] zu: Tests - The accessibility of Facebook, Part 3: Daily use

Tests, HTML and CSS, JavaScript, WAI-ARIA

 

08. July 11

Interpreting WCAG 2.0
Does a 'talking head' video need captions?

When videos of ‘talking heads’ (like news reporters or politicians) are posted on websites conforming to WCAG 2.0, do they always require captions?   [more] zu: Interpreting WCAG 2.0 - Does a 'talking head' video need captions?

WCAG, BITV, Test development

 

04. July 11

Tests
The case for text-only resizing: a look at twenty online news sites

One requirement of WCAG 2.0 is that text can be resized by 200% without the loss of content or functionality. In this article, we look at twenty online news portals ans online newspapers to check how well text resizing is currently supported.   [more] zu: Tests - The case for text-only resizing: a look at twenty online news sites

Tests, HTML and CSS, User needs

 

29. June 11

Tests
The accessibility of Facebook, Part 2: Account and Profile Settings

Part 1 of our Facebook test focused on the initial registration process. In the second part of our test, we investigate whether customising account and profile settings causes accessibility issues.   [more] zu: Tests - The accessibility of Facebook, Part 2: Account and Profile Settings

Tests, HTML and CSS, WAI-ARIA

 

20. June 11

Dynamic content
Dealing with hidden content: what is best for screen reader users?

A recent article by Aaron Gustafson on "A list apart" raised the interesting issue whether content hidden through JavaScript should also be hidden for screen reader users. We would like to pick up the debate where it broke off.   [more] zu: Dynamic content - Dealing with hidden content: what is best for screen reader users?

Assistive technology, HTML and CSS, JavaScript, WAI-ARIA

 

17. June 11

Test development
Mapping WCAG techniques to German WCAG-Test (BITV-Test) now complete

The mapping excercise between tests in WCAG 2.0 techniques and the new BITV-Test (to all intents and purposes, a German WCAG test) has now been completed.   [more] zu: Test development - Mapping WCAG techniques to German WCAG-Test (BITV-Test) now complete

Test development, WCAG, BITV, WAI-ARIA

 

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