Скачать презентацию Mobile Web Best Practice WCAG 2 0
c19093d4fec46b3914a4fb38e5dbe111.ppt
- Количество слайдов: 31
Скачать презентацию Mobile Web Best Practice WCAG 2 0
Скачать презентацию Mobile Web Best Practice WCAG 2 0
Mobile Web Best Practice & WCAG 2. 0 Can you spot the difference? Phil Archer W 3 C Mobile Web Initiative phila@w 3. org WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
WCAG 2. 0 WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
MWBP WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
June 2005 WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
MWBP Starting Point WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Similarities • Availability of keyboard and mouse limited • Navigation hard if you only see part of the page WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Navigation Issues WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Similarities • Availability of keyboard and mouse limited • Navigation hard if you only see part of the page • It’s hard to fill in forms and enter URIs • Screen contrast can be poor • Helper applications may not be available/may not help at all WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Similar Problems: Similar Solutions • Non-text Objects with no text alternative – WCAG 2. 0 Success Criteria: 1. 1. 1 Non-text content – MWBP 1. 0 Best Practice: NON_TEXT_ALTERNATIVES and OBJECTS_OR_SCRIPT • Even if device supports sound and video, downloading is expensive & may be switched off • No one can hear anything in a nightclub WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Similar Problems: Similar Solutions • CSS positioning, tables for layout etc – WCAG 2. 0 Success Criteria: 1. 3. 2 Meaningful Sequence – MWBP 1. 0 Best Practice: TABLES_LAYOUT, TABLES_NESTED and TABLES_ALTERNATIVES • Even where CSS positioning is supported, there may not be enough room on the screen WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Sounds Familiar? • Accessibility helper applications render content in a format that may differ from the one that the content provider had in mind • Web content is often adapted before delivery to mobile devices WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Content Adaptation WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Content Adaptation WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Content Adaptation WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Similar Problems: Similar Solutions • • Perceivable Operable Understandable Robust WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
WCAG 2. 0 to MWBP WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
MWBP to WCAG 2. 0 WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
WCAG to MWBP to WCAG WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Some Mobile-Specific BPs • • • Thematic Consistency One Web Caching External Resources Exploit Device Capabilities WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
The Business Case Web sites can more efficiently meet both goals when developers understand the significant overlap between making a Web site accessible for a mobile device and for people with disabilities. WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Mobile Web Browsing • In 2007, 14% of American adults accessed the internet on a handheld on a typical day and 32% had ever used the internet on their handheld. • In 2009, 23% accessed the internet on a handheld on a typical day and 38% had ever used the internet on their handheld. WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Traffic Growth Increase in Internet Traffic Reported by admob June 09 WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Traffic Growth http: //www. scribd. com/doc/24826531/Quantcast-Mobile-Report 1 WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Gartner Prediction Mobile phones will overtake PCs as the dominant web access device worldwide by 2013 Gartner Highlights, January 2010 http: //www. gartner. com/it/page. jsp? id=1278413 WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Drivers • • • Smartphones (notably i. Phone) Social Networking Video Location-based services Flat-rate data tariffs WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
mobile. OK WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
mobile. OK WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
mobile. OK WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Potential for universal access? • • • Personal and customisable Portable One handed operation Location-aware Speaker and microphone built in WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
More? • Likely to run updated version of our online training course Introduction to W 3 C Mobile Web Best Practices later in 2010 WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Links Mobile Web Best Practices http: //www. w 3. org/TR/mobile-bp/ WAI/Mobile http: //www. w 3. org/WAI/mobile/ mobile. Ok Checker http: //validator. w 3. org/mobile/ Training http: //www. w 3. org/Mobile/training Phil Archer Twitter @pmobiweb http: //www. w 3. org/People/all#phila@w 3. org WIPO-ITU Joint Accessibility Workshop, Geneva, 2 February, 2010
Скачать презентацию Mobile Web Best Practice WCAG 2 0
c19093d4fec46b3914a4fb38e5dbe111.ppt