Answer: a)uses clickstream data to determine the effectiveness of the site as a channel-to-market
Explanation:  Website e-business analytic is the technique for analyzing the  website for the business on the online platform.It helps in evaluation of the profit that is being gained through e-business .
The evaluation is based on the clickstream data which is collected and reported information record regarding the website a visitor is visiting. This data determines the channel to market effectiveness and profit.
Other options are incorrect because collecting and analyzing data about website visitor is known as clickstream data. Â Heat map is defined for 2-D presentation of information with colors and traffic of website is described at server stage by clickstream data.Thus, the correct option is option(a).