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How Long Can Alt Text Be

How Long Can Alt Text Be: The Answer You Need to Know

Alt text, also known as alternative text, is a brief description of an image on a webpage. It is used by search engine crawlers, screen readers and other devices to understand the content and context of the image. Alt text is essential for providing website accessibility to visually impaired users, who rely on screen readers to browse the internet. The length of alt text may vary depending on its purpose, but there are some guidelines to follow to ensure its effectiveness and accessibility.

The answer to the question of “how long can alt text be” depends on the image’s purpose and its context in the website. For decorative images, such as background images or icons, it is recommended to leave the alt text blank or use a null attribute. This informs screen readers and crawlers that the image has no contextual meaning and can be skipped. However, when the image is used for informative or functional purposes, the alt text should be descriptive and relevant to the image’s content.

When writing alt text for images, it is important to keep it concise and to the point. The recommended length for alt text is between 125 and 150 characters, including spaces. This ensures that the alt text is short enough to be read quickly by screen readers but long enough to provide relevant information to users. Alt text that is too long may cause frustration for users, especially if they have to listen to long descriptions repeatedly. Therefore, it is crucial to include only the most important information in the description and avoid unnecessary details.

In conclusion, alt text is an essential aspect of creating an accessible website. It helps visually impaired users understand the content and context of images on a webpage. The length of alt text may vary depending on the image’s purpose, but it is recommended to keep it concise and relevant to the image’s content. By following these guidelines, website owners can improve the accessibility of their website and ensure its usability for all users.



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