Image Alt Text Accessibility. Image alt text might be invisible to most of us except screen readers and search engines but that doesn t mean it s not important. For linked images the alt attribute should describe both the content of the image and the function of the link.
Alt text is a tenet of accessible web design. If your image contains important information for the end user then it should be provided in an html img tag with proper alt text. Having long alt text will result in poor user experience for those using screen readers.
Adding alt text allows authors to include images but still provide the content in an alternative text based format.
Adding alt text allows authors to include images but still provide the content in an alternative text based format. Its original and still primary purpose is to describe images to visitors who are unable to see them. Adding alt text allows authors to include images but still provide the content in an alternative text based format. Text values for these types of images would add audible clutter to screen reader output or could distract users if the topic is different from that in adjacent text.