Final answer:
Certain online campaign elements should be manually tagged with tracking variables, including banner ads, non-AdWords CPC campaigns, and email campaigns, to obtain detailed analytics for optimizing marketing strategies.
Step-by-step explanation:
When it comes to tracking the effectiveness of online campaigns, it's essential to use campaign tracking variables to gather data on how each element of your marketing strategy is performing. For certain types of links and campaigns, you do need to manually tag them with tracking variables to get accurate reporting. The elements you should manually tag include:
By strategically using campaign tracking variables, you can ensure that your analytics provide a comprehensive overview of your marketing efforts, empowering you to make data-driven decisions.