The document provides an overview of AJAX, describing it as a combination of several technologies that allow for asynchronous communication between the client and server, enhancing web interactivity without page refreshes. It discusses its implications for user experience, design challenges, and the importance of accessibility. Additionally, it highlights the need for AJAX applications to cater to screen-reader users to ensure universal access for all web users.

1. explaining Ajax

2. e x plaining Aja x ?

3. “ It’s really several technologies, each flourishing in its own right, coming together in powerful new ways.”

4. word Sapir–Whorf hypothesis

5. word buzz Αἴας

6. the X factor e x calibur e x celsior OS X X HTML X ML Macromedia M X Windows X P X Forms X Path X SLT lu x or

7. word buzz 2 . 0 APIs RSS folksonomy open data participation long tail mashups Ajax

8. technology trigger peak of inflated expectations trough of disillusionment slope of enlightenment plateau of productivity

9. “ The name is shorthand for Asynchronous JavaScript + XML”

10. A synchronous J avaScript A nd X ML

11. Asynchronous JavaScript And X ML HTML JSON

12. Asynchronous J avaScript And XML DHTML DOM Scripting

13. A synchronous “ Not at the same time” JavaScript And XML

14. A synchronous

15. A synchronous

16. speed

17. “ If the traditional web was letter writing, Ajax is instant messaging.”

18. “ Ajax is like roller skates for the Web.”

19. “ Ajax is a way of communicating with the server without refreshing the whole page.”

20. frames iframe Flash XMLHttpRequest

21. X MLHttpRequest Microsoft Mozilla Safari Opera IE5 W3C

22. “ Big deal! I’ve been doing remote scripting for years.”

23. “ It’s a whole new paradigm, baby!”

24. Am I Ajax or not?

32. documents applications

33. pattern recognition log on add to cart rate this add a comment search results? Mozilla Mozilla pagination?

34. design challenges

35. “ Don’t be too proud of this technological terror you have created.”

36. what’s happening?

37. what just happened?

38. conventions status indicators yellow fade drag’n’drop

39. interesting moments

40. “ As simple as possible... but no simpler.”

41. b eyond the b rowser the b ack b utton b ookmarking

42. discoverability

43. “ Being able to justify every pixel.”

44. user testing

45. A ccessibility J ust A in’t e X citing

46. “ It must still be accessible. It must be usable. If not, it is a cool useless piece of rubbish for some or many people.”

48. “ Unless a way can be found to notify screen readers of updated content, AJAX techniques cannot be considered accessible.”

49. “ This Ajax application is usable by screen-reader users some of the time. They aren’t totally shut out, but it isn’t totally easy for them, either.”

50. “ The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect.”

51. thank you http://flickr.com/photos/veeliam/243306535/ http://flickr.com/photos/ianlloyd/240719862/ http://flickr.com/photos/wiseacre/88944650/ http://flickr.com/photos/fuzzcat/22019163/ adactio.com http://flickr.com/photos/doctorow/94673455/ http://flickr.com/photos/chuckbiscuito/161971512/