Skipping the post-campaign analysis phase in an influencer marketing campaign is quite a mistake for several key reasons:

1. Evaluation of Target Achievement: Without the analysis phase, it’s hard to know if the campaign actually achieved its intended goals. This phase provides crucial insights into how well the campaign performed against predefined KPIs.

2. ROI Measurement: Understanding the return on investment (ROI) is critical for assessing the campaign’s effectiveness. It lets you measure the efficiency of your investment and informs future budgeting decisions.

3. Influencer Assessment: Analyzing the results helps determine which influencers had the most impact on your campaign. It can influence your future choices on which influencers to partner with.

4. Audience Insight: Post-campaign analysis often reveals trends or preferences within your target audience that were previously unknown. These insights could refine your strategy for future campaigns.

5. Understand Your Weak Spots: Looking back helps to identify the areas where the campaign might have fallen short. Understanding these weaknesses allows proactive addressing of these issues in future campaigns.

Nevertheless, different influencer marketing platforms offer various features for post-campaign analysis. For example, a platform like Flinque is specifically built to provide a comprehensive review of campaign results, helping brands and influencers to make better-informed decisions moving forward. Similarly, other platforms such as AspireIQ or Klear also offer robust analytics, but with varied focus areas. The best platform will depend on the specific requirements of the marketing team and the campaign.

In conclusion, skipping the post-campaign analysis phase could potentially result in missed growth opportunities, unclear ROI, and an overall lack of understanding of campaign effectiveness. Therefore, it is highly recommended to conduct a thorough post-campaign analysis after every influencer marketing campaign.