The following outlines the WiscWeb policy and guidelines for use of Tableau functionality on a WiscWeb site.
WiscWeb encourages all users of Tableau technology to consider known accessibility and screen size concerns with data visualizations before use. The primary contact for the site, as well as the Tableau content owner(s), assume all risks described below.
If Tableau is used on a WiscWeb site, editors are encouraged to offer a text-only version of the page to their customers via a link at the top of the page (before the visualization) and/or to include a statement regarding who to contact for a text version of the content. Site owners are responsible for building visualizations and accommodating users that are navigating the site with screen readers.
Additionally, WiscWeb recommends the following accessibility considerations per the WCAG 2.0 AA guidelines:
Readable font types and sizes
Color schemes that pass contrast (high contrast colors)
Tableau documents their own recommendations for improving accessibility of data visualizations on their website: