Web Accessibility: Concepts and Applications

The Web as an important information carrier and a tool for dissemination of information and electronic government continues its growth faster than before to spread its coverage to all social levels. For that، user groups of websites gain different levels of skill and capabilities to access relevant information on the Web. In this article we strive to represent a theoretical review of the concept، nature and application of web accessibility. This article could provide authors and interested people with a vast research field to study the various dimensions of web accessibility with a special emphasis on governmental websites.