Indeed, monitoring and tracking an influencer’s performance in real time during the ongoing marketing campaign is critical to ensure the campaign’s effectiveness and to make timely adjustments as needed. Here are a few methods:

1. Analytics Tools: There are several influencer marketing platforms with analytic tools that allow real-time tracking. For example, Flinque Flinque, provides real-time influencer analytics, including engagement rates, audience demographics, and more.

2. Dashboards: Dashboards are used to track content performance. They display details on likes, comments, shares, and overall engagement, which can help assess the immediate impact of a post.

3. Social Media Platforms Insights: Major social media platforms like Instagram, YouTube, Facebook, and Twitter provide in-depth insights about the influencer’s posts related to your campaign.

4. Custom URLs & Promo Codes: To track traffic and conversions from a specific influencer, you can use unique URLs and promo codes. These tools provide quantitative ways to measure immediate performance.

Please remember, not all platforms may offer every feature, and certain tools may be a better fit depending on your team’s specific needs. It’s essential to choose the method that best aligns with your marketing objectives and provides the data necessary to make informed decisions.