“…High level web usage data, such as the links clicked, or time spent on a page, can give us valuable information about the user experience, demonstrating, for example, the differences between blind and sighted users' browsing experiences [2]. When considering lower-level interaction data, interpretation becomes extremely difficult, however, due to the variability of the data, the huge quantities of it, and the requirement to contextualize it, in order to interpret it accurately [1]. Mobile devices and wearable technology can provide data from other modalities via a multitude of sensors, further widening the scope of information that can be logged, and the complexity of analysing it.…”