The repeated navigation options were useful, accommodating the range of user inputs: some using the labeled back button, others the browser back button, in addition to the footer navigation links.
The main problem observed, and also acknowledged through user feedback was that buttons were difficult to activate, often requiring several repeat attempts.
Image compression helped alleviate lengthy download times somewhat. Performance on 3G and WiFi was acceptable, however 2G speeds suffered making loading times a frustrating experience.
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From the results, buttons are highlighted as causing usability problems when not suitably presented. Designing and testing buttons in various shapes, sizes and colours will be a worthy experimentation area, also allowing consideration for graphics compression. This will be my next area of focus.
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