Providing alternative text for images is important from "summary" of Web Accessibility by Yeliz Yesilada,Simon Harper
Images play a crucial role in conveying information on websites and applications. However, not all users can see these images due to visual impairments or other disabilities. This is where providing alternative text for images becomes essential. Alternative text, also known as alt text, is a textual description of an image that can be read by screen readers for visually impaired users. When alt text is provided for images, it ensures that all users, regardless of their abilities, can understand the content and context of the images on a webpage. This is particularly important for users who rely on screen readers to navigate the web. Without alt text, these users would miss out on valuable information that is conveyed through images. In addition to aiding visually impaired users, alt text also benefits users with slow internet connections or those using devices that do not display images properly. In such cases, alt text provides a text-based description of the images, ensuring that all users can access and comprehend the content on the website. Furthermore, providing alt text for images is not only essential for accessibility but also for search engine optimization (SEO). Search engines rely on alt text to understand the content of images on a webpage. By including relevant alt text, website owners can improve the visibility and ranking of their websites in search engine results. It is important to remember that alt text should be concise, descriptive, and relevant to the image it is describing. Avoid using generic phrases like "image" or "picture" and instead provide specific details that accurately convey the content and purpose of the image. By following these guidelines and making alt text a priority in web design, developers can create more inclusive and user-friendly experiences for all users.
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