Best Practice: Provide textual alternatives for non-text elements.
It is important that use define alternative to non-text objects because users over a mobile network might want to avoid loading images and other objects that would slowdown the page rendering. Placeholders for these objects are important so that the general meaning of the page is clear.
Techniques available for this Best Practice:
To add a technique for this Best Practice, create a descriptive WikiName for it, start with the TechniqueTemplate and make sure to add the name of this category in the content (or as a category tag). See also HelpOnWritingaTechnique.