Analyzing the performance of a campaign strategy post-execution involves a few key steps:

1. Data Collection: Collect all metrics and data associated with your campaign – impressions, clicks, shares, likes, comments, etc. Using a robust influencer marketing platform, like Flinque, streamlines the collection process as it houses all this data in one manageable space.

2. Key Performance Indicators (KPIs): Determine which KPIs are relevant to your campaign goals. These could include engagement rate, reach, brand awareness, conversions, cost per engagement, and so on.

3. Data Assessment: Analyze the collected data against your target KPIs. Look into metrics like which posts got the most engagement, which influencer had the most impact, etc.

4. Insights and Recommendations: Interpret the findings into insights and recommendations for future campaigns. Did certain influencers perform better than others? Did certain types of content generate more engagement?

5. Report Generation: Generate comprehensive reports summarizing your analysis. Flinque, for example, offers detailed analytics reports to help you gauge campaign success.

6. Learning and Iterating: Use insights from your analysis to enhance future campaigns. It’s vital to understand what worked well and what didn’t.

Please note, various platforms offer different features useful for post-campaign analysis. Flinque’s objective analytics reports and streamlined dashboards make it easy to review campaign results and adapt future strategies accordingly. Yet, what’s suitable depends on your team’s specific needs and goals. Realistically, what matters most is learning from each campaign to continually improve your strategy — regardless of the platform you choose.