When planning and evaluating an influencer campaign, the specific analytics you should focus on depends on the goals of the campaign. However, these typically include:

1. Engagement Rate: This provides a measure of the influencer’s ability to engage with their audience. It’s typically calculated as the total engagement (likes, comments, shares, etc.) divided by the total followers. High engagement rates indicate an active, interested audience.

2. Audience Growth: A successful campaign should result in an increase in the influencer’s audience size. However, rapid or unnatural growth may be a sign of purchased followers, which might not genuinely engage with your content.

3. Click-through Rate (CTR): This measures the number of clicks your campaign is getting. High CTR shows that the campaign message or call-to-action is resonating with the influencer’s audience.

4. Audience Demographics: Understanding the age, location, gender, and interests of the influencer’s audience can help you assess whether the campaign is reaching the intended target audience.

5. Conversion Rate: If your campaign goal is sales, downloads, or sign-ups, measuring conversion rates is essential. This illustrates how good the influencer is at motivating their audience to take desired action.

6. Content Performance: Analyze which pieces of content perform best to make data-driven decisions about content strategy.

Platforms like Flinque can help you with these kinds of analytics, providing a comprehensive view of your influencer’s performance and audience. However, it’s important to remember that different platforms may offer different analytics features, so choose one that best suits your specific needs.