Concepts we identified:

• Web UI interaction (clicks etc)
• Keep traces of interaction
• A Model - A view on set of traces
• A visualization -> A view on a model (for starters: a textual object notation).

Test List

• empty webpage -> visualization without transitions
• webpage: 1 good button -> visualization without visual errors
• webpage: 1 bad button -> visualization with a visual error
• webpage: 1 good button, 1 dead link -> visualization with error
• webpage: 2 looping buttons -> visualization still renders
• webpage: link to external website -> external website is not in visualization