Answer:
The top 3 campaigns ( sites for ads ) with the highest values of the metrics mentioned below should be picked that way the team will achieve their objective.
Step-by-step explanation:
For a marketing team To understand the effectiveness of the different components of its campaigns there are certain factors/metrics they should consider/lookout for in each of the various components and they are
i) conversation rate of the various components of the marketing campaigns
ii) Number of clicks/site visits from the various components
iii) Reach of each component to potential customers or returning customers.
When these metrics are checked the, The top 3 campaigns ( sites for ads ) with the highest values of the metrics should be picked.