How to Meet WCAG 2.0 For moving, blinking, scrolling, or auto-updating information, all of the following are true: Moving, blinking, scrolling: For any moving, blinking or scrolling information that (1) starts automatically, (2) lasts more than five seconds, and (3) is presented in parallel with other content, there is a mechanism for the user to pause, stop, or hide it unless the movement, blinking, or scrolling is part of an activity where it is essential; andAuto-updating: For any auto-updating information that (1) starts automatically and (2) is presented in parallel with other content, there is a mechanism for the user to pause, stop, or hide it or to control the frequency of the update unless the auto-updating is part of an activity where it is essential. Note 1: For requirements related to flickering or flashing content, refer to Guideline 2.3.
Web Content Accessibility Guidelines (WCAG) 2.0 This publication has been funded in part with Federal funds from the U.S. Department of Education, National Institute on Disability and Rehabilitation Research (NIDRR) under contract number ED05CO0039. The content of this publication does not necessarily reflect the views or policies of the U.S. Department of Education, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government. Additional information about participation in the Web Content Accessibility Guidelines Working Group (WCAG WG) can be found on the Working Group home page. Other previously active WCAG WG participants and other contributors to WCAG 2.0
Web Accessibility Initiative (WAI) - home page Current Work (updated monthly) See What We're Working On – Accessibility Activities and Publications DPUB-ARIA and DPUB-AAM are now Web Standards (W3C Recommendations) (2025-Jun-12) Digital Publishing WAI-ARIA Module 1.1 (DPUB-ARIA) and Digital Publishing Accessibility API Mappings 1.1 (DPUB-AAM) are now web standards (W3C Recommendations). For Review: Guidance on Applying WCAG 2.2 to Mobile Applications (WCAG2Mobile) — First Draft Note (2025-May-06) Guidance on Applying WCAG 2.2 to Mobile Applications is available as a first Draft Note. WCAG 2.1 published with minor technical fixes W3C published an update that addresses minor technical issues in the December 2024 publication of WCAG 2.1. The changes are listed in the Change Log section of WCAG 2.1. WCAG 2.2 in Brazilian Portuguese – Authorized Translation Published (2025-Mar-27) Other translations of WAI resources are listed in All WAI Translations. WCAG 2.2 in French – Authorized Translation Published (2025-Mar-17) (2025-Mar-06) (2025-Jan-21)
Understanding Conformance | Understanding WCAG 2.0 All WCAG 2.0 Success Criteria are written as testable criteria for objectively determining if content satisfies them. Testing the Success Criteria would involve a combination of automated testing and human evaluation. The content should be tested by those who understand how people with different types of disabilities use the Web. Testing and testable in the context refer to functional testing, that is verifying that the content functions as expected, or in this case, that it satisfies the Success Criteria. Although content may satisfy all Success Criteria, the content may not always be usable by people with a wide variety of disabilities. What does conformance mean? Conformance to a standard means that you meet or satisfy the 'requirements' of the standard. Note: This means that if there is no content to which a success criterion applies, the success criterion is satisfied. Most standards only have one level of conformance. Understanding Conformance Requirements Understanding Requirement 1
Access All WWW Areas Home > Over toegankelijkheid Een beperking levert tegenwoordig gelukkig niet zo'n groot probleem als vroeger. De tijd dat een blinde een gedateerd tijdschrift of studiemateriaal 'las', omdat het eerst moest worden omgezet in braille of audio, ligt gelukkig ver achter ons. Veel informatie is (vooral online) best toegankelijk beschikbaar. Verschillende handicaps Verschillende handicaps hebben invloed op het gebruik van internet: denk aan blind, slechtziend, kleurenblind, doof, slechthorend, motorische of verstandelijke beperking. Lees meer over 'Wat is webtoegankelijkheid?'
Introducción a la Accesibilidad Web ¿Qué es la Accesibilidad Web? La accesibilidad Web significa que personas con algún tipo de discapacidad van a poder hacer uso de la Web. En concreto, al hablar de accesibilidad Web se está haciendo referencia a un diseño Web que va a permitir que estas personas puedan percibir, entender, navegar e interactuar con la Web, aportando a su vez contenidos. La accesibilidad Web también beneficia a otras personas, incluyendo personas de edad avanzada que han visto mermadas sus habilidad a consecuencia de la edad. La accesibilidad Web engloba muchos tipos de discapacidades, incluyendo problemas visuales, auditivos, físicos, cognitivos, neurológicos y del habla. Existen millones de personas con discapacidad que no pueden utilizar la Web. Pero la accesibilidad Web beneficia también a organizaciones y a personas sin discapacidad. ¿Por qué la Accesibilidad Web es importante? La Web ofrece a aquellas personas con discapacidad una oportunidad de acceder a la información y de interactuar. Terminología
WCAG 2.0 at a Glance WAI: Strategies, guidelines, resources to make the Web accessible to people with disabilities Site Navigation W3C Home Web Accessibility Initiative (WAI) Home Discover new resources for people with disabilities, policy makers, managers, and you! Translations WCAG 2 at a Glance This page provides a paraphrased summary of Web Content Accessibility Guidelines (WCAG) 2.0. Please see the following key resources for learning and using WCAG 2.0: Perceivable Provide text alternatives for non-text content. Operable Make all functionality available from a keyboard. Understandable Robust Maximize compatibility with current and future user tools. Print Version This page is formatted for printing (without the navigation) as PDF files for A4 and 8.5" x 11" paper: Document Information Status: Updated 6 December 2011 (preface wording updated 22 February 2012, first published July 2008) Editors: Shawn Lawton Henry and Wayne Dick. Copyright © 2016 W3C ® (MIT, ERCIM, Keio, Beihang) Usage policies apply.
Web Content Accessibility Guidelines You are here: Home > Articles > The Web Content Accessibility Guidelines A WCAG 2.0 Checklist is available for developers to use in implementing and verifying conformance with WCAG 2.0. The W3C's Web Accessibility Initiative The W3C is an international, vendor-neutral group that determines the protocols and standards for the web. They create the specifications for HTML, CSS, etc. A primary initiative of the W3C is to develop accessibility standards. Version 1.0 of the Web Content Accessibility Guidelines was a major development in making the Internet more accessible to people with disabilities. Over time, WCAG 1.0 began to show its age. The Web Content Accessibility Guidelines 2.0 builds upon the foundation of WCAG 1.0, but also introduces some significant changes worth discussing. The shift from technique-centered guidelines to principle-centered guidelines resulted in a reduced number of top level ideas, or principles. Perceivable Operable Understandable Robust
Guía Breve de Accesibilidad Web ¿Qué es la Accesibilidad Web? Saltar Introducción. Hablar de Accesibilidad Web es hablar de un acceso universal a la Web, independientemente del tipo de hardware, software, infraestructura de red, idioma, cultura, localización geográfica y capacidades de los usuarios. Con esta idea de accesibilidad nace la Iniciativa de Accesibilidad Web, conocida como WAI (Web Accessibility Initiative). ¿Para qué sirve? Saltar Uso. La idea principal radica en hacer la Web más accesible para todos los usuarios independientemente de las circunstancias y los dispositivos involucrados a la hora de acceder a la información. ¿Cómo funciona? Saltar Funcionamiento. Para hacer el contenido Web accesible, se han desarrollado las denominadas Pautas de Accesibilidad al Contenido en la Web (WCAG), cuya función principal es guiar el diseño de páginas Web hacia un diseño accesible, reduciendo de esta forma barreras a la información. En función a estos puntos de verificación se establecen los niveles de conformidad: Ejemplos
WCAG Overview Introduction Web Content Accessibility Guidelines (WCAG) is developed through the W3C process in cooperation with individuals and organizations around the world, with a goal of providing a single shared standard for web content accessibility that meets the needs of individuals, organizations, and governments internationally. The WCAG documents explain how to make web content more accessible to people with disabilities. natural information such as text, images, and sounds code or markup that defines structure, presentation, etc. Who WCAG is for WCAG is primarily intended for: Web content developers (page authors, site designers, etc.) Related resources are intended to meet the needs of many different people, including policy makers, managers, researchers, and others. WCAG is a technical standard, not an introduction to accessibility. What is in WCAG 2.0 WCAG 2.0 is a stable, referenceable technical standard. For a short summary of the WCAG 2.0 guidelines, see WCAG 2.0 at a Glance.
Qualifications - Bookshare - Accessible Books for Individuals with Print Disabilities An individual with a physically-based disability that makes it difficult or impossible to read a printed book likely will qualify for Bookshare® services. Organizations (schools, libraries, and rehabilitation and social services agencies) can also obtain Bookshare services to support their efforts to meet the reading needs of people with these disabilities. The individual signing up for our services, or the organization serving that individual, will be asked to provide Bookshare with a Proof of Disability (certified by someone who is a Competent Authority as described below) during the registration process. As explained in more detail below, the Qualifications to enroll in and use Bookshare services are based on an exception contained in Section 121 of U.S. This webpage, including the Table that follows and the answers to Frequently Asked Questions, below, provide the guidelines for determining what qualifies as a print disability. View the video: "Who is Eligible for Bookshare?" 8.
Pautas de Accesibilidad al Contenido en la Web 1.0 Inicio La única versión normativa de este documento es la versión original en inglés que se encuentra en el sitio web del W3C Ninguna parte del presente documento en español es normativa aunque se especifique lo contrario. Esta versión puede contener errores debidos a la traducción. Para comunicar errores de esta traducción o proponer comentarios a la misma, envíe un mensaje a los traductores. Copyright © 1999 W3C ® (MIT, INRIA, Keio), Todos los Derechos Reservados. Traductores: Carlos Egea, Alicia Sarabia, Alan Chuter Recomendación W3C de 5 de mayo de 1999 Esta version (original en inglés): (texto plano, PostScript, PDF, archivo gzip tar de HTML, archivo ZIP de HTML) Ultima version: Versión anterior: Editores: Copyright © 1999 W3C (MIT, INRIA, Keio), Reservados todos los derechos. Resumen Estatus de este documento
Web Content Accessibility Guidelines (WCAG) 2.0 This publication has been funded in part with Federal funds from the U.S. Department of Education, National Institute on Disability and Rehabilitation Research (NIDRR) under contract number ED05CO0039. The content of this publication does not necessarily reflect the views or policies of the U.S. Additional information about participation in the Web Content Accessibility Guidelines Working Group (WCAG WG) can be found on the Working Group home page. Other previously active WCAG WG participants and other contributors to WCAG 2.0
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