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In the embodiment of the web our iquentención has been to design a website that is accessible to the largest number of users regardless of their physical or technological limitations. To do this we have relied on the implementation and enforcement of the Accessibility Guidelines or General Principles of Accessible Design established by the Working Group (WAI Accessibility Initiative Web) of the W3C (Consortium for the World Wide Web).

If you find any accessibility problems or want to make any comments or suggestions on this matter, please contact us. e-mail:

What is accessibility?

It is the art of ensuring that any medium (web, ATM, etc.). Available to all persons, whether or not deficiencies of one kind or another. If we talk about the web in particular, would be access by any person regardless of disability, whether sensory, physical or technical.

Why is it important to make websites accessible?

People, especially those with disabilities, have difficulty using the web due to the multiple barriers that are in both the own website and applications using: browsers, media devices, readers synthesizers screen voice, etc ... These barriers mean that users can not have access to information of all kinds, job search, civic activities, general information, commerce, education... Some examples of barriers are usually users when they visit Websites are:

• Images without alternative text. • Absence of alternative text in image maps.

• Misuse of the elements that structure a page. • Sounds without subtitles or images described.

• Lack of alternatives for users whose browsers do not support frames or scripts, or applets.

• Tables that are not interpreted correctly when read form online.

• Pages with poor color contrast.

• etc.

What users benefit from accessible pages?

Not all disabilities affect internet access (for example, a person who has difficulty walking), it does pose many other great difficulty, not to mention the art disability suffer most. We can meet users:

• Devices such as voice translators, braille, no sound card or text mode browsers.

• Difficulty distinguishing colors, users with monochrome systems.

• Difficulties eye have to increase the font size of a web page.

• Photosensitive epilepsy.

• Browsers outdated or new but not very popular, or services that have been disabled in your browser.

• Difficulties drive are not able to interact with moving objects.

• A different mouse device.

• Cognitive difficulties.

Overall, we all benefit from the accessible pages because they are easy to use and do not cause any problems.

Who are the W3C and WAI?

The World Wide Web Consortium, neutral body that oversees the development of the Internet and its standards, created a working group on Accessibility, WAI.

This group published in May 1999, Accessibility Guidelines for Web Content, exceptional documentation provides accessibility guidelines to meet the 3 levels of accessibility checklists for the contents of the guidelines and techniques to meet these guidelines.

What are the accessibility guidelines?

These guidelines are based on 14 general guidelines (later subdivided into 65 points), which are the general principles for accessible design.

These guidelines are aimed at people who are designing web pages, people who check websites to verify accessibility, organizations that want to make their sites accessible or are interested in making people with disabilities can access information on their site.

How many levels of accessibility there?

The three levels of accessibility are:

• Level A (Priority 1): The developer must satisfy this checkpoint, otherwise, some groups of people will be unable to access the information from a site.

• Nivel AA (Prioridad 2): Level AA (Priority 2): The developer must satisfy these points, otherwise, someone will find it very difficult to access information.

• Level AAA (Priority 3): The developer can satisfy these points, otherwise, some people find it difficult to access information.