Several types of graphs are commonly used in email marketing, including:
1. Line Graphs: Ideal for tracking changes over time, such as open rates, click-through rates, and subscriber growth. 2. Bar Charts: Useful for comparing different metrics, like the performance of various email campaigns or the demographics of your audience. 3. Pie Charts: Effective for showing the composition of a single data set, such as the percentage of subscribers segmented by interests or demographics. 4. Heat Maps: Help visualize where users click within an email, highlighting areas of high engagement and areas that need improvement.