All posts with the tag of WCAG

7 web accessibility myths

Web accessibility is not a new concept. The Web Accessibility Initiative was launched back in 1997, and yet 15 years later it is still a widely ignored and neglected aspect of web development. There are many deep-rooted misconceptions about accessibility which prevent people from making a conscious effort to incorporate it into their websites. Let’s take a closer look at the top 7 web accessibility myths.

Validating code

A short guide to how and why you should validate your code.

Checking colour contrast

This is a quick guide on how to check the colour contrast on your website. A simple way to check colour combinations meet the requirements set by version two of the Web Content Accessibility Guidelines.

Inline styles and why they are considered harmful for accessibility

Since the mid 1990s web developers have had an ever increasing amount of control over the presentation of the web pages that they develop. This is largely due to the introduction of CSS (cascading style sheets) and its adoption amongst major browser vendors, both past and present. Although the adoption of the CSS specification has not been without issues it has made it possible for web developers to build visually imaginative and engaging web pages and user interfaces.

Hiding content

In this post I will identify some of the common techniques that are used to hide content and will attempt to identify the implications of using these techniques. I will also attempt to identify appropriate situations in which each technique could practically be put to good use. All of the techniques that we have identified below have been tested with Jaws 12 and NVDA 2011.1 using Firefox 4, Firefox 5 and Internet Explorer 8. In addition the examples were tested with voiceover on Apple OSX 10.6.4 with Safari.

Keyboard traps, Flash and Firefox 4

Introduction On the 22nd March 2011 version 4 of the ever popular Firefox browser was released. With this release came a myriad of additions and improvements. On the whole the team at Mozilla have done a great job. However, this is not to say that the browser has been improved in all areas. After updating [...]

If accessibility got the deciding vote

With the elections and referendum on the voting system used in the UK happening today, we at Nomensa have been wondering what would happen if the deciding vote were based on the level of accessibility achieved by each of the three main political parties websites. To a certain extent, accessibility has the potential to have more of an effect on individual voting than you would first expect.

Creating Accessible Charts

Introduction I was recently tasked with the challenge of creating a series of accessible charts and graphs for an internal project. We were attempting to present some graphs showing site usage statistics pulled from one of our google analytics accounts. Charts and Graphs can be tricky to implement on web pages in such a way [...]