Well, that means that the site is accessible to the blind and visually impaired. It is not all that difficult to make a site accessible to the blind, but it does take some thought and consideration. The visually impaired find Lynx is ideal for use with their braille or screen reading software. In addition it offers convenient navigational functions. Some people find Lynx more comfortable than a bulky graphical browser that uses a large amount of their computer's resources.
Lynx starts up and exits quickly, when compared to most desktop browsers.
It is also qucker at rendering documents.