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Every web page of www.aikidoofcorfu.com has passed the following validations:



1. HTML and CSS (Level 3) interoperability:

Valid HTML 4.01 Transitional Valid CSS! Valid CSS!



2. Αccessibility to people with disabilities - Web Content Accessibility Guidelines 2.0 (WCAG 2.0) of W3C Web Accessibility Initiative (WAI):

Level Triple-A conformance
*Validated by: Total Validator




3. Αccessibility to people with disabilities - Section 508 US (for the United States of America):

Accessibility Section US 508
*Validated by: Total Validator




4. Colour contrast : Validated by accesskeys

This tool is intended for websites where most of the text is not written on background images or with flash. AccessColor uses the colour contrast algorithm suggested by the Accessibility Evaluation and Repair Tools-AERT. The formula suggested by the World Wide Web Consortium (W3C) - Web Content Accessibility Guidelines 1.0 to determine the brightness of a colour is:
((Red value X 299) + (Green value X 587) + (Blue value X 114)) / 1000
where:
Two colours provide good colour visibility if the brightness difference is greater then 125 and the color difference is greater then 500. It will analyze both external and internal CSS and then calculate the color contrast and color brightness between the foreground text and the background for each element in the Document Object Model (DOM). To conform with WCAG 1.0, foreground and background color combinations should provide sufficient contrast when viewed by someone with low vision or colour blindness, or when viewed on a black and white screen.




5. American Organisation WebAim for Web Accessibility