Archive for the "Image Accessibility" Topic

Accessible Images Using Angular

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Angular.js is becoming a widely used framework for web development. The framework allows developers to create readable code, is known to be fully extensible, and works well with other libraries. However, developers must still ensure accessibility when using the angular framework. While angular has accessibility features using the ngAria module, there are basic accessibility techniques that still need to be considered. Unfortunately, the tutorials in the site lack basic accessibility. For example, the Angular.js tutorial covers two examples using images. The first covers basic images and displaying images on the page. The second takes these images and makes them… Read More

Using CSS Floats with Image Links

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Using CSS Floats with Image Links The use of CSS floats has been a common method for developers to position content on a web page. According to the W3C CSS 2 specification, section 9.5, “A float is a box that is shifted to the left or right on the current line.” Ensuring visual keyboard focus indication can be tricky for floated image links. WCAG success criteria 2.4.7 states that there must be a visual focus indicator on all active elements. Without a visual indicator of focus, sighted keyboard-only users will have difficulty identifying the focused element. Often, developers add CSS… Read More

On the Accessibility of Links

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There are many in the usability community who regard accessibility as part of usability. I believe this to be a misunderstanding of accessibility. At its root, accessibility is aimed at removing barriers to the access of information and resources. When speaking to clients, I give them brick & mortar examples, such as dips in curbs, doors which open automatically, and elevators. Accessible web design, first and foremost, is removing technical issues which serve to act as a barrier to the information and resources contained within the site. For instance, a login system which uses an image-only CAPTCHA to verify the… Read More

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