It is important for all computer users, no matter their disability to be able to access and use the resources on the internet without issues. The information needs to be accessible for those who might be blind, color blind, low vision, hard of hearing or deaf, those with mobility issues or seizure concerns. When developing a web page or web site these issues need to be taken into consideration.
Accessibility can also pertain to the use of other mobile devices such as mobile phones, Blackberry, PDA, mini laptops, or any non standard computer.
With the technology available today there are many items to assist disabled individuals with accessing information on the internet. Items like screen reader, screen magnification, and speech recognition software as well as braille terminals.
However it is important that the developer take into consideration all options to make their web site as user friendly to every person possible. This can be accomplished in many ways including optional text only versions of their site, being sure to include all alternate information for images and alternate flash on/off options for more advanced web sites.
There are so many services and information people need to have immediate access to and many companies and government agencies do so much business on the internet it is almost impossible that you will never need to access something important. Under the Americans with Disabilities Act (ADA) many government agencies are required to have their web sites accessible to all user no matter the disability.
Components that should be work together as part of development for web pages to be accessible to all users include:
- Content such as text, images, and sounds, code or markup that defines structure, presentation, etc.
- Web browsers, media players, and other "user agents"
- Assistive technology, in some cases - screen readers, alternative keyboards, switches, scanning software, etc.
- Users' knowledge, experiences, and in some cases, adaptive strategies using the Web
- Developers - designers, coders, authors, etc., including developers with disabilities and users who contribute content
- Authoring tools - software that creates Web sites
- Evaluation tools - Web accessibility evaluation tools, HTML validates, CSS validators, etc.
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