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What is WCAG?

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The abbreviation stands for Web Content Accessibility Guidelines.

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These are the global rules for accessible websites.

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In two minutes you will know the basics.

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Who are the rules for?

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For people who are blind or have low vision.

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For people who are deaf.

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For people who cannot use a mouse.

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And in the end for everyone.

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Because good contrast and clear language help us all.

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WCAG has four principles.

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First: perceivable.

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Second: operable.

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Third: understandable.

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Fourth: robust.

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Each of the 86 rules belongs to one of these principles.

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Perceivable means, for example: images have text alternatives and videos have

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captions.

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Operable means: everything also works with the keyboard alone.

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Understandable means: clear language and error messages that say what to do.

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Robust means: clean code that assistive technology such as screen readers can

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understand.

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Every rule has one of three levels.

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Level A is the minimum.

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Level double A is the standard that laws require.

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Level triple A is the highest level.

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Your first test takes one minute.

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Put the mouse away.

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Use your website with the Tab key only.

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Can you always see where you are?

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Can you reach everything?

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Learn more at wcag dot dehl dot net.

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There you will find all 86 rules explained simply, with demos to try and a free

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checker.