Search is a critical functionality of the modern web. Being able to find what ones looking for is an essential measure of using the internet successfully. This Yahoo Interface blog post delves into the Yahoo’s excellent approach to accessibility.

Given the diversity of Yahoo!’s audience, we wanted to make Search Direct as accessible as possible. Initially, we believed that this would be an easy task since this product would be based on YUI 3, a JavaScript library with accessibility baked into its DNA. Contrary to my expectations as an engineer, this task turned out to be more difficult than we anticipated.

via Making Search Direct Accessible » Yahoo! User Interface Blog (YUIBlog).