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Avoid adding images that do not provide any additional, meaningful or valuable information.
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Avoid using images to represent text.
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Give your images alternative text – a description that shares the same message as the visual image. State what is being portrayed and avoid descriptions such as ‘image of’ in the alternative text.
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Provide alternative text for every non-text element (even if just to designate the image as decorative or redundant).
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Avoid use of red, green and yellow, and lighter greys.
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Use sufficient contrast of colours between text and background.
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Avoid unnecessary backgrounds with too many images, shapes or colours.
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Avoid hyperlinks or text being hidden behind other objects such as images.
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Allow the size of online images to be scalable as needed.