Atl attributes in new html

In HTML5, the alt attribute is used to provide alternative text for an image. This attribute is required for accessibility reasons, as it allows screen readers and other assistive technologies to read the text to users who are unable to see the image.

Here are some key points to know about the alt attribute in HTML:

1. Required for accessibility: The alt attribute is required for all images in HTML5, except for decorative images (more on that later).
2. Alternative text: The alt attribute should contain a brief description of the image. This text should be concise and descriptive, and should provide enough information for a user to understand the content of the image.
3. Screen reader support: Screen readers and other assistive technologies use the alt attribute to read the text to users who are unable to see the image.
4. Decorative images: If an image is purely decorative and does not provide any important information, it is considered a "decorative image" and does not require an alt attribute. However, it's still a good idea to include a blank alt attribute (alt="") to indicate that the image is decorative.
5. Best practices: When writing alt text, follow these best practices:
   • Keep it concise: Aim for a maximum of 125 characters (including spaces).
   • Be descriptive: Provide enough information for a user to understand the content of the image.
   • Avoid using "image of" or similar phrases: Instead, focus on the content of the image.
   • Use proper grammar and punctuation: Make sure the alt text is grammatically correct and easy to read.

Example:

<img src="image.jpg" alt="A photo of a beautiful sunset on the beach">

In this example, the alt attribute provides a brief description of the image, which can be read by screen readers and other assistive technologies.

Remember, the alt attribute is an important part of making your website accessible and usable for all users, including those with visual impairments.