Choose your preferred landing page layout
By understanding your preference(if any) on the design now, we can speed up the process and launch the campaign on time by minimizing potential back-and-forth.
You are choosing layout rather than the exact landing page design here because:
How much does design affect results of the campaign? Minimal. While not 100% conclusive, numerous split-tests found that a change in design does not have a significant impact on the results of the campaign, as long as the design is professional and presentable in the first place.