Answer:
D. The percentage of visitors to the page describing the contest who entered the contest.
Explanation:
The conversion rate in website refers to the percentage of visitors who completed an action that a website is created for within a period of time. It referred to as any valuable engagements that visitors of a webpage make that fulfills your webpage’s goal
From the above explanation, The conversion rate for the contest would be D. The percentage of visitors to the page describing the contest who entered the contest.