By Riccardo Zorn
Add accessible keyboard navigation to a page, easily. Entirely configurable.
Additionally emphasizes the keys, and builds a legend / list.
The emphasised letters are hotkeys for quick accessible keyboard navigation.
The free version shows a copyright notice in the popup, see screenshot. If you don't use the legend feature, then no notice is shown.
This will help you meet the WCAG 2.0 AAA require...