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What Is Alt Text On Images

What is Alt Text on Images?

Alt text, also known as alternative text or alt descriptions, is a short and concise description of an image’s content that is used to provide context and information about the visual element for people with visual impairments or other disabilities that impact their ability to view images on a webpage. Alt text is also used when an image file is unable to be displayed for any reason. It is an important accessibility feature for web content, making it easier for all people to obtain information and access web pages through assistive technologies such as screen readers.

Why is Alt Text Important?

Alt text is important for both accessibility and SEO purposes. For users with visual impairments, screen readers will read out the alt text, allowing them to understand and interpret the content of the image. This is also beneficial for users with slow or unreliable internet connections, who may not be able to view images immediately or at all. Additionally, alt text can improve the SEO of a website by providing more information to search engines about the content of an image, allowing them to better understand and index the content of the website.

How to Write Effective Alt Text?

When writing effective alt text, it’s important to be concise and clear in describing the content of the image. The alt text should be descriptive, but not overly verbose, as screen readers will quickly read through the text to provide an understanding of the image. Alt text should also be meaningful and relevant to the page content, and avoid using generic or placeholder text. It’s also important to avoid using words like “image of” or “picture of” in the alt text, as screen readers already announce that an image is being shown. By following these guidelines, you can ensure that your website is accessible to all users, regardless of disability or visual impairment.



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