Embodiments of the present invention may track a user's interaction trajectory associated with a problem occurred on a website. According to one embodiment of the present invention, an interaction history of interactions between a user and a website may be obtained. An action description associated with actions performed by a user on a website is received. Then, at least one interaction matching the action description is retrieved from an interaction history of interactions between the user and the website. Further, an interaction trajectory may be generated based on the retrieved at least one interaction.