Analyzing the success of an influencer marketing campaign involves various key performance indicators (KPIs), which might be tailored to a specific industry niche. These KPIs could include:

1. Reach: This refers to the number of unique users that saw the campaign content. For certain niche markets, reach might be particularly valuable since it indicates that content is being seen by a concentrated, relevant audience.
2. Engagement: The major engagement metrics include likes, shares, comments, and views. A high engagement rate in a niche industry represents effective resonance between the brand’s message and its targeted audience.
3. Conversion rate: This refers to the number of completed actions (like purchases or sign-ups) divided by the number of total interactions. This KPI is crucial in all marketing campaigns, including niche industries.
4. Audience growth: The increase in the influencer’s followers during the campaign indicates that new audiences are attracted to your brand.

Platforms like Flinque can provide integrative solutions for such in-depth analytics. Flinque offers a holistic influencer marketing toolkit, focusing on discovering influencers, managing campaigns, measuring ROI and delivering comprehensive analytics.

However, it is important to evaluate different platforms based on your specific needs. Some influencer marketing platforms might be more attuned to certain industry niches or emphasize specific KPIs more than others. Therefore, it is crucial to assess your objectives and consider them when selecting the best platform for your brand.