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Accessibility is an issue treated and considered prominently in both national and international levels. This led to the creation of a number of resources to specify the characteristics which must meet the content available through Internet Web technologies, Intranets and other computer networks, so that they may be used by most people, including persons with disabilities and elderly persons, independently or through the technical aids pertinentes.Entre these resources include:

Rule In 301 549:2018, version 2.1.2, "accessibility requirements for ict products"

The standard 301 549:2018 Version 2.1.2 (Opens in new window) specifies the functional requirements of accessibility applicable to products and services that include ICT (websites, software, native apps, documents, hardware, etc). In addition to describe the procedures and the evaluation methodology to follow for each requirement.

In addition, this new version of the IN 301-549 has been declared by the european commission as a standard harmonized system for the implementation of the Directive of Web Accessibility in the Implementation decision (EU) 2018/2048 of 20 december 2018 . Por lo tanto, desde el 21 de diciembre de 2018, es el estándar que aplica en las Administraciones Públicas españolas.

This new version is available at the site of ETSI (Opens in new window) . No obstante, esta versión se materializa en la norma española UNE-EN 301549:2019 , que en virtud del acuerdo suscrito por la Secretaría de Estado de Función Pública y AENOR (Opens in new window) can be consulted through the PAe.

Accessibility standards Web content accessibility guidelines (WCAG) 2.1

The Web Content Accessibility Guidelines (WCAG) 2.1 son la última versión de las pautas de accesibilidad del contenido en la Web del W3C (World Wide Web Consortium).

The new version 2.1.2 of IN 301-549:2018 (Opens in new window) está alineada con las WCAG 2.1 y por lo tanto introduce todos los cambios incorporados a esta última: nuevos criterios de conformidad, nueva pauta "2.5 Modalidades de entrada", etc.

Cabe mencionar también que en esta nueva versión no se han modificado los criterios de conformidad preexistentes en las WCAG 2.0, ni siquiera su numeración.

UNE 139803:2012. Accessibility requirements for web content.

Es un norma española que establece los requisitos de accesibilidad para los contenidos web. En cuanto a sus requisitos referencia completamente a las Pautas de Accesibilidad para el contenido web WCAG2.0 (Opens in new window) of the Initiative for Web accessibility (Opens in new window) (WAI) of Web consortium (Opens in new window) (W3C) there is therefore a direct equivalence between them. This regulation updates the UNE 139803:2004.

The State secretariat for Public Administrations has signed an agreement with AENOR (Opens in new window) for the free distribution of this rule a través del Portal de Administración Electrónica. Está prohibida la distribución de este documento por otros medios que no sean los autorizados por AENOR.

Web Content Accessibility Guidelines WCAG 2.0

The WCAG 2.0 (Opens in new window) it is an evolution of the WCAG 1.0. This is a recommendation on how to make accessible the contents of the website to persons with disabilities and were adopted in december 2008. Take into account the new technological factors and the experience derived from the use of the WCAG 1.0.

Standard ISO/IEC 40500:2012

The standard ISO/IEC 40500:2012 (Opens in new window) adopted in october 2012, is the international standard reflecting the web accessibility guidelines WCAG 2.0. Thus, the various national legislations can collect references to this standard in favour of the international harmonization.

UNE-EN 301 549, “ requirements of accessibility of ICT products and services applicable to public procurement in europe ” – “ Accessibility requirements suitable for public procurement of ICT products and services in Europe ”

This rule, 301 549 (Opens in new window) establishes the requirements that will ensure that functional ict products to be accessible to all persons; for example, from a mobile phone to computers, via web pages; thus, the requirements for the web are based on the accessibility of web content WCAG 2.0, developed by THE W3C, being in line with the standard UNE 139803 spanish ‘ accessibility requirements for Web content. In addition, the european standard, issued in ETSI (Opens in new window) , describes the testing procedures and methodology for assessment of each of them. This rule has been adopted to our catalog english as UNE-EN 301 549 by AENOR, the legal entity responsible for the development of technical standards in Spain.

The Secretaría de Estado de Administraciones Públicas ha suscrito un acuerdo con AENOR (Opens in new window) for the dissemination of this rule through the Portal of E-government. Is prohibited the distribution of this document by other than those authorized by AENOR.

WAI-ARIA Accessible Rich Internet Applications

WAI-ARIA (Opens in new window) adopted in march 2014, it is a recommendation which defines how international do content and applications sites more accessible to persons with disabilities. It Is of particular generation assistance for dynamic content and user interfaces developed advanced with AJAX, HTML and Javascript. Is treated in the Initiative for Web accessibility (WAI) (Opens in new window) of Web consortium (W3C) (Opens in new window) .

UNE 139803:2004. Accessibility requirements for web content.

The standard UNE 139803:2004 is a spanish rule, which has taken as a starting point for its realization the guidelines for the Accessibility of content in the Web 1.0 (WCAG 1.0) of the initiative on the Web Accessibility (WAI) of the partnership in the Web (W3C). In most of the requirements of accessibility both norms are equivalent but the standard UNE is slightly more demanding and has increased the priority of one of these conditions. Therefore, a portal to fulfil the UNE will also be in accordance with the WCAG 1.0. However, a portal in accordance with the WCAG 1.0 you might need to make any modification to achieve a certain level of accessibility according to the standard UNE.

Spanish law, by royal decree 1494/2007 of 12 november, which was adopted. Regulation on the basic conditions for persons with disabilities with access to the information society forced to websites of the public administrations to meet the requirements of priority 1 and 2 specified in the standard UNE.

Unified Methodology of Evaluation UWEM Web 1.0

The UWEM 1.0 (Opens in new window)  describe una metodología para la evaluación del cumplimiento de la recomendación WCAG 1.0. El fin de esta metodología consiste en asegurar que las herramientas y técnicas de evaluación desarrolladas para la vigilancia a gran escala o para la evaluación en local, sean compatibles y coherentes entre sí y con la iniciativa WAI.

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