What is the purpose of using alt attributes in <img> tags?

The use of alt attributes in tags serves a critical purpose in web development, primarily by providing alternative text for images. This alternative text plays several important roles.

Firstly, it enhances accessibility for users who rely on screen readers, allowing them to understand the content of an image even if they cannot see it. For example, someone with visual impairments would benefit from the descriptive text provided in the alt attribute, which conveys the meaning or function of the image.

Secondly, the alt attribute contributes to SEO (Search Engine Optimization) by giving search engines more context about the content of a webpage. Images with well-crafted alternative text can help enhance a site's visibility in search engine results.

Additionally, when images fail to load due to a broken link or slow connection, the text specified in the alt attribute is displayed in place of the image, ensuring that some information is still conveyed to the user.

In contrast, the other options do not align with the primary function of the alt attribute. Specifying image dimensions, embedding multimedia content, or linking images to other pages do not involve the use of alt attributes. Instead, they are managed through different HTML attributes and tags entirely. Therefore, the correct answer highlights the fundamental role of alt attributes in providing descriptive text