Alt text Guide Alt text (alternative text) is the text that appears instead of an image if the image fails to load in a web page. It is important because it makes images more accessible to people and search engines by helping visually impaired readers understand what images show, while allowing search engines to better understand image content.
How to write alt text Be specific and provide context when describing what is in the image Keep alt text fewer than 125 characters Do not start alt text with "Image of...". Jump right into the image's description Be cautious about keywords - only include a targeted keyword if it's easily included in the alt text. Avoid keyword stuffing
Bad alt text alt="DSV office Denmark atrium roof windows VELUX Commercial daylight" This alt text is bad as it is filled with keywords and fragmented phrases without clear context. Good alt text alt="DSV Headquarters in Denmark featuring Modular Skylights" This alt text is better as it describes more accurately what is shown in the image.