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What Is Alt Text For Accessibility

What is Alt Text for Accessibility?

Alt text or alternative text is a brief written description of an image or graphic element on a website. The primary function of alt text is to provide a text-based alternative to non-text content, such as images or videos, for users who cannot see them. Alt text is an essential component of web accessibility, as it allows people with visual impairments to understand the content and function of visual elements on a webpage. Alt text is also used by search engines to index and classify images, which can help improve the visibility and search rankings of a website.

When creating alt text for accessibility, there are a few best practices to keep in mind. Firstly, alt text should be concise and descriptive, giving a summary of the content and function of the image. It should not be too long, as this can be overwhelming for users with screen readers or other assistive technologies. Secondly, alt text should be relevant to the context in which it appears, and should accurately reflect the content of the image. Lastly, alt text should be written in plain language, using clear and simple language that is easy to understand.

In conclusion, alt text is a vital component of web accessibility, providing a text-based alternative to visual content for users who cannot see it. It is essential to create alt text that is concise, descriptive, relevant, and written in plain language, to ensure that users with visual impairments can understand the content and function of visual elements on a webpage. By incorporating alt text into your website, you can improve the accessibility, searchability, and usability of your site for all users.



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