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CZECH STATISTICAL OFFICE Na padesátém 81, CZ - 100 82 Praha 10, Czech Republic www.czso.cz Blind Friendly Website Helena Koláčková Czech Statistical Office.

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Prezentace na téma: "CZECH STATISTICAL OFFICE Na padesátém 81, CZ - 100 82 Praha 10, Czech Republic www.czso.cz Blind Friendly Website Helena Koláčková Czech Statistical Office."— Transkript prezentace:

1 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Blind Friendly Website Helena Koláčková Czech Statistical Office

2 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Basic statistics  0.6 – 1.5 % of population – severe visual handicap; 15 % of population – trouble with color sense  In the CR 60 thous. – 150 thous. people with severe visual handicap (60 % seniors)  of which 12 % totally blind  c. 4 % use PC with special equipment

3 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Purblind and blind persons on PC  c people with severe visual handicap in the CR use PC („only“ 4 % of all severe visual handicapped)  16 % alternative senses – voice and tactile outputs  22 % screen enlargement – software magnifier  62 % combination of both these possibilities

4 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Software magnifier

5 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Cataracts

6 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Glaucoma

7 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Diabetic Rethinopathy

8 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Basic facts about web site displaying to purblind and blind persons  Information in the form of text only;  Information on the web page must be linear;  Control of computer and all applications solely with use of a keyboard and keyboard commands;  Using the software magnifier, users can see only a small portion of web page at the same time.

9 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Basic rules  Relative font size;  Graphical objects should have their textual alternative defined;  It is necessary to indicate, that the link opens a new window;  Each form element has descriptive heading attached to it;  Web page content structure – through the use of headings H1 – H6;  Web sites using scripts, objects, applets, cascade style sheets, images are accessible to visually impaired users even without all these supplements;  Colors of the foreground and background have adequate contrast;  Web page code can be validated according to W3C;  Nothing is blinking on a web page quicker than once per second.

10 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Time demands  Checking up validity of 3 – 5 thous. files  It took about 3 months (4 people)  continuous validity checking during Web site up-dating

11 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic World standards  W3C – World Wide Web Consorcium  Methodology WCAG – Web Content Accessibility Guidelines 1.0 (WAI – Web Accessibility Initiative)  Section 508 (Act to require Federal agencies to make their electronic and information technology accessible to people with disabilities)

12 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Conclusion  Aurally handicapped  Locomotive handicapped  Users with displaying problems  Persons with concentration problems  Search engines crawlers Web pages adaptation to accessible website standards is not „only“ important for purblind and blind persons, but it can also help to other handicapped groups.

13 CZECH STATISTICAL OFFICE Na padesátém 81, CZ Praha 10, Czech Republic Thank you for your attention


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