Information foraging uses the analogy of wild animals gathering food to analyse how humans collect information online. This theoretical framework can be used to critique web design and improve user interaction.
Key dimensions to this analogy include:
The term information foraging was coined by the Palo Alto Research Center (previously Xerox PARC) by Stuart Card, Peter Pirolli, and colleagues as the result of human-computer interaction research.
Information Foraging: Why Google Makes People Leave Your Site Faster (useit.com)
call to action, information architecture, navigation.