1. Oreste Signore- WAI/1 Amman, 12-13 December 2006 WAI Initiative on accessibility Ministerial NEtwoRk for Valorising Activities in digitisation

2. Oreste Signore- WAI/2 Amman, 12-13 December 2006 Quality of a web site  The criteria for a quality cultural web communication are based on two pillars:  Accessibility (WCAG/W3C)  Usability (ISO 9241-11) basic principles  The key concept of quality web site means to pay attention to the users and their requirements.

3. Oreste Signore- WAI/3 Amman, 12-13 December 2006 Quality: definitions (1)  Usability:  «The capability of the software product to enable specified users to achieve specified goals with effectiveness, productivity, safety and satisfaction in specified contexts of use.» (ISO/IEC 9126-1:1992)

4. Oreste Signore- WAI/4 Amman, 12-13 December 2006 Quality: definitions (2)  Accessibility:  «A Web site is considered to be accessible when the informational content, navigational modes and all the interactive features present are accessible to all users, regardless of disabilities and independently of technology used to access the site and of the context in which they are working whilst accessing the site» (ISO TS 16071:2002)

5. Oreste Signore- WAI/5 Amman, 12-13 December 2006 Web for Everyone  Accessibility:  «The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect»  Web for Everyone available to all people, whatever their hardware, software, network infrastructure, native language, culture, geographical location, or physical or mental ability

6. Oreste Signore- WAI/6 Amman, 12-13 December 2006 Dimensions of accessibility  Connecting time  Availability  Compatibility of browser  Accessibility of disabilities

7. Oreste Signore- WAI/7 Amman, 12-13 December 2006 Elements of connection

8. Oreste Signore- WAI/8 Amman, 12-13 December 2006 Context of users  Many users may be operating in contexts very different from your own :  They may not be able to see, hear, move  They may have difficulty reading or comprehending text.  They may not have or be able to use a keyboard or mouse.  They may have a text-only screen, a small screen, or a slow Internet connection.  They may not speak or understand fluently the language in which the document is written.

9. Oreste Signore- WAI/9 Amman, 12-13 December 2006 Context of users (cont.)  They may be in a situation where their eyes, ears, or hands are busy or interfered with (e.g., driving to work, working in a loud environment, etc.).  They may have an early version of a browser, a different browser entirely, a voice browser, or a different operating system.  Content developers must consider these different situations during page design

10. Oreste Signore- WAI/10 Amman, 12-13 December 2006 Definition of disability  The WHO World Health Organisation in 2001:  refers to “human functions” in general and not simply to disability.  Moves away from the consequences of a “disfunction” to components of “health”, grouping them together under the heading of “health domain”  Participation, not exclusion

11. Oreste Signore- WAI/11 Amman, 12-13 December 2006 Different disabilities

12. Oreste Signore- WAI/12 Amman, 12-13 December 2006 How do disabled people use the Web?  Throught “enabling” technology. This can be hardware or software which:  effect “equivalent” conversion of the information from one sense organ to another. Some examples are: from the computer monitor (sight) to touch (Braille bar for visually-impaired users), from the computer monitor (sight) to sound (vocal synthesis for visually-impaired users), from sound (audio documents) to sight (text documents) (vocal recognition for motor-disabled and deaf users);

13. Oreste Signore- WAI/13 Amman, 12-13 December 2006 How do disabled people use the Web? (2)  permit different ways of using certain tools, for example: special mouse (for motor-disabled); special keyboard (for motor-disabled); compensate for disability of a sensory faculty, for example: enlarging the text on the computer monitor (for the visually impaired)

14. Oreste Signore- WAI/14 Amman, 12-13 December 2006 How do disabled people use the Web? (3)  Specific tools are available to compensate for other types of disability :  for users with difficulty in distinguishing colours  for users affected by photosensitive epilepsy  for users with learning difficulties or language difficulties

15. Oreste Signore- WAI/15 Amman, 12-13 December 2006 Advantages

16. Oreste Signore- WAI/16 Amman, 12-13 December 2006 Web Accessibility Initiative  The World Wide Web Consortium (W3C) has promoted the Web Accessibility Initiative (WAI).  The objective is to produce strategies, guidelines, resources to make the Web accessible to people with disabilities http://www.w3.org/WAI/ http://www.w3.org/WAI/

17. Oreste Signore- WAI/17 Amman, 12-13 December 2006 Web Accessibility Initiative  WAI deals with Web accessibility in the lay sense; that is, not only as far as regards contents, but also in terms of the tools used to realise the Web pages, the browser and, more generically, technologies for Web access.  Accessibility is a process involving many actors (people, developers, user agents). Hence:  WCAG  ATAG  UAAG

18. Oreste Signore- WAI/18 Amman, 12-13 December 2006 Web Content Accessibility Guidelines  were developed by the Web Content Accessibility Guidelines Working Group (WCAG WG);Web Content Accessibility Guidelines Working Group  became a W3C Recommendation 5 May 1999;  explain how to make accessible Web sites;  contain general guidelines;  have three priority levels of normative checkpoints;  have extensive supporting resources

19. Oreste Signore- WAI/19 Amman, 12-13 December 2006 Web Content Accessibility Guidelines (2)  It explains how to make Web content accessible to people with disabilities. Web "content" generally refers to the information in a Web page or Web application, including text, images, forms, sounds, and such.  WCAG 1.0 has 14 guidelines that are general principles of accessible design. Each guideline has one or more checkpoints that explain how the guideline applies in a specific area (65 in total). WCAG 1.0

20. Oreste Signore- WAI/20 Amman, 12-13 December 2006 Resources for WCAG  There are extensive implementation support resources for WCAG 1.0, including:  WCAG 1.0 Checklist WCAG 1.0 Checklist  WCAG 1.0 Techniques WCAG 1.0 Techniques  WCAG 1.0 Frequently Asked Questions (FAQ) WCAG 1.0 Conformance Logos WCAG 1.0 Frequently Asked Questions (FAQ) WCAG 1.0 Conformance Logos  WCAG 1.0 Translations WCAG 1.0 Fact Sheet WCAG 1.0 Translations WCAG 1.0 Fact Sheet  WCAG 1.0 Curriculum WCAG 1.0 Curriculum  QuickTips for Accessible Web Sites QuickTips for Accessible Web Sites  Evaluating Web Sites for Accessibility Evaluating Web Sites for Accessibility  Implementation Planning for Web Accessibility Implementation Planning for Web Accessibility  Planning Web Accessibility Training Planning Web Accessibility Training

21. Oreste Signore- WAI/21 Amman, 12-13 December 2006 WCAG 1.0: conformance level  Three priorities:  Priority 1 (A-compliant): Criteria a web developer must satisfy Basic requirement for some groups to be able to access web documents  Priority 2 (AA-compliant): Criteria a web developer should satisfy Removes significant barriers to accessing web documents  Priority 3 (AAA-compliant): Criteria a web developer may satisfy Improves access to web documents

22. Oreste Signore- WAI/22 Amman, 12-13 December 2006 WCAG 1.0: Level of conformance  Level A:  all priority 1 checkpoints are satisfied  Level AA:  all priority 1 and 2 checkpoints are satisfied  Level AAA:  all priority 1, 2 and 3 checkpoints are satisfied

23. Oreste Signore- WAI/23 Amman, 12-13 December 2006 Synthesis of WCAG 1.0 guidelines 1.Provide equivalent alternatives to auditory and visual content. Non-text element includes: images, graphical representations of text (including symbols), image map region 2.Don't rely on color alone. Ensure that all information conveyed with color is also available without color. 3.Use markup and style sheets and do so properly. Use style sheets to control layout and presentation. Use relative rather than absolute units in markup language attribute values and style sheet property values. 4.Clarify natural language usage. Clearly identify changes in the natural language of a document's text and any text equivalents

24. Oreste Signore- WAI/24 Amman, 12-13 December 2006 Synthesis of WCAG 1.0 guidelines (cont.) 5.Create tables that transform gracefully. Ensure that tables have necessary markup to betransformed by accessible browsers and other user agents. 6.Ensure that pages featuring new technologies transform gracefully. Ensure that pagesare accessible even when newer technologies are not supported or are turned off. 7.Ensure user control of time-sensitive content changes. Ensure that moving, blinking, scrolling, or auto-updating objects or pages may be paused or stopped.

25. Oreste Signore- WAI/25 Amman, 12-13 December 2006 Synthesis of WCAG 1.0 guidelines (cont.) 8.Ensure direct accessibility of embedded user interfaces Ensure that the user interface follows principles of accessible design: device-independent access to functionality, keyboard operability, self-voicing, etc. 9.Design for device-independence Use features that enable activation of page elements via a variety of input devices. 10.Use interim solutions so that assistive technologies and older browsers will operate correctly. 11.Use W3C technologies and guidelines according to specification. Where it is not possible to use a W3C technology, or doing so results in material that does not transform gracefully, provide an alternative version of the content that is accessible.

26. Oreste Signore- WAI/26 Amman, 12-13 December 2006 Synthesis of WCAG 1.0 guidelines (cont.) 12.Provide context and orientation information. Provide context and orientation information to help users understand complex pages or elements. 13.Provide clear navigation mechanisms. Provide clear and consistent navigation mechanisms -- orientation information, navigation bars, a site map, etc. -- to increase the likelihood that a person will find what they are looking for at a site. 14.Ensure that documents are clear and simple so they may be more easily understood.

27. Oreste Signore- WAI/27 Amman, 12-13 December 2006 Example 1: images  Provide a text equivalent for every non-text element  (e.g. via «alt», «longdesc», or in element content)  This includes: Images graphical representations of text (including symbols) image map regions animations (e.g., animated GIFs) applets and programmatic objects ascii art, frames, scripts, images used as list bullets, spacers, graphical buttons sounds (played with or without user interaction) stand-alone audio files, audio tracks of video, and video.

28. Oreste Signore- WAI/28 Amman, 12-13 December 2006 Example 1: images

29. Oreste Signore- WAI/29 Amman, 12-13 December 2006 Example 1: images

30. Oreste Signore- WAI/30 Amman, 12-13 December 2006 Example 2: color  Ensure that foreground and background color combinations provide sufficient contrast when viewed by someone having color deficits or when viewed on a black and white screen. [Priority 2 for images, Priority 3 for text]

31. Oreste Signore- WAI/31 Amman, 12-13 December 2006 Example 3: multimedia  Until user agents can automatically read aloud the text equivalent of a visual track, provide an auditory description of the important information of the visual track of a multimedia presentation. [Priority 1]

32. Oreste Signore- WAI/32 Amman, 12-13 December 2006 Exemple 4: code validation  Create documents that validate to published formal grammars. Use for example W3C validator. Important show DOCTYPE. [Priority 2]

33. Oreste Signore- WAI/33 Amman, 12-13 December 2006 Example 5: relative units  Use relative units (% or em) rather than absolute units in:  markup language attribute values  style sheet property values [Priority 2]

34. Oreste Signore- WAI/34 Amman, 12-13 December 2006 Example 6: metadata  Provide metadata to add semantic information to pages and sites. For example, use DUBLIN CORE to indicate the  Document author ( )  Content type ( )  etc. [Priority 2]

35. Oreste Signore- WAI/35 Amman, 12-13 December 2006 WCAG 2.0: principle 1  Content must be perceivable.  Provide text alternatives for all non-text content  Provide synchronized alternatives for multimedia  Ensure that information and structure can be separated from presentation  Make it easy to distinguish foreground information from its background

36. Oreste Signore- WAI/36 Amman, 12-13 December 2006 WCAG 2.0: principle 2  Interface components in the content must be operable.  Make all functionality operable via a keyboard interface  Allow users to control time limits on their reading or interaction  Allow users to avoid content that could cause seizures due to photosensitivity  Provide mechanisms to help users find content, orient themselves within it, and navigate through it  Help users avoid mistakes and make it easy to correct mistakes that do occur

37. Oreste Signore- WAI/37 Amman, 12-13 December 2006 WCAG 2.0: principle 3  Content and controls must be understandable.  Make text content readable and understandable.  Make the placement and functionality of content predictable.

38. Oreste Signore- WAI/38 Amman, 12-13 December 2006 WCAG 2.0: principle 4  Content should be robust enough to work with current and future user agents (including assistive technologies)  Support compatibility with current and future user agents (including assistive technologies)  Ensure that content is accessible or provide an accessible alternative

39. Oreste Signore- WAI/39 Amman, 12-13 December 2006 WCAG 2.0: some concepts  Baseline  The set of technologies that an author assumes are supported and turned on in accessible user agents  Conformance  A and AA for minimum or enhanced accessibility level  AAA achieves additional accessibility enhancements  AAA requires that at least 50% of level 3 success criteria are satisfied

40. Oreste Signore- WAI/40 Amman, 12-13 December 2006 WCAG 1.0 vs WCAG 2.0  WCAG 2.0 applicable to a variety of situations and technologies, including those that not yet exist  Checkpoints in WCAG 1.0 seemed to be of different importance (priority level)  All WCAG 2.0 success criteria are essential for some people

41. Oreste Signore- WAI/41 Amman, 12-13 December 2006 Thank you for your attention!  Questions?  References  utilityLinks.html utilityLinks.html  http://www.minervaeurope.org http://www.minervaeurope.org  http://www.minervaeurope.org /MEDCULT/home.html http://www.minervaeurope.org /MEDCULT/home.html  Oreste Signore  oreste.signore@isti.cnr.it oreste.signore@isti.cnr.it