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ALT Tags are invisible descriptions of images which are read aloud to blind users on a screen reader or are used if someone has images turned off on their.

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Presentation on theme: "ALT Tags are invisible descriptions of images which are read aloud to blind users on a screen reader or are used if someone has images turned off on their."— Presentation transcript:

1 ALT Tags are invisible descriptions of images which are read aloud to blind users on a screen reader or are used if someone has images turned off on their browser.

2 It is text used to describe an image for the visually impaired (or if the image can’t be displayed/turned off in the browser). Good for screen readers (software – text to speech or braille – allows visually impaired people to use a computer). Describe the image and keep it brief.

3 There are two ways that a screen reader can provide feedback to the user: –Speech (text to speech TTS) –Braille.

4 Using ALT Alt attributes should always go inside image tags e.g. If you’re not sure what text to add, imagine you are describing the image to someone over the phone.

5 start with alt= For example, the attribute alt=“x-ray view of spacelab 1 in columbia’s cargo bay" hovering the pointer over an image containing an alt attribute will cause the alt text to appear.

6 Using Alt Text in Frontpage: Right click on an image Picture properties General Text – type in the text you want to show when you hover over the image


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