What is the purpose of the `alt` attribute in an HTML `img` tag?
Understand the Problem
The question asks about the purpose of the alt attribute in HTML img tags. It's important to understand how this attribute contributes to accessibility and website functionality when images cannot be displayed.
Answer
The `alt` attribute provides alternative text for an image if it cannot be displayed, improving accessibility and SEO.
The alt attribute in an HTML img tag provides alternative text for an image if it cannot be displayed. This is important for accessibility, as screen readers use it to describe the image to users with visual impairments. It also helps with SEO and provides context if the image fails to load.
Answer for screen readers
The alt attribute in an HTML img tag provides alternative text for an image if it cannot be displayed. This is important for accessibility, as screen readers use it to describe the image to users with visual impairments. It also helps with SEO and provides context if the image fails to load.
More Information
The alt attribute is mandatory in HTML, ensuring all images have a text alternative.
Tips
A common mistake is leaving the alt attribute empty for decorative images. While acceptable, it's better to include a brief description or use CSS for purely decorative elements.
Sources
- HTML alt Attribute - W3Schools - w3schools.com
- Describe the purpose of using alt attribute in <img> tag in HTML - GeeksforGeeks - geeksforgeeks.org
- <img>: The Image Embed element - HTML - MDN Web Docs - Mozilla - developer.mozilla.org
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