A marketing team is brainstorming objectives for the top-of-funnel stage of their upcoming campaign. Based on your understanding of top-of-funnel objectives, evaluate the following potential objectives and decide which one aligns best with the top-of-funnel stage:
    - Objective I: Increase customer retention rate by 20% through a loyalty program.
 
    - Objective II: Increase website traffic by 30% through a series of engaging blog posts.
 
- Objective III: Gain 10,000 new followers on the brand's social media platforms.
 
    - Objective IV: Improve the conversion rate on the product landing page by 15%.
 
Identify which of these objectives is most suitable for the top-of-funnel stage.