Some valuable data points and analytics for optimizing influencer marketing campaigns are:

1. Audience Demographics: Data about influencer’s audience age, location, gender, and interests help brands to ensure they’re targeting the right people.

2. Engagement Metrics: Agencies look for influencers with high engagement rates, as these metrics directly align with the audience’s interest in the influencer’s content. Key engagement metrics include likes, comments, shares, and click-through rates.

3. Influencer Performance Metrics: Measure the efficiency of different influencers by comparing their cost-per-engagement, reach, or the number of converted leads or purchases.

4. Content Performance: Tracking the performance of individual posts helps identify which content types resonate with the audience and optimize future campaigns.

5. Campaign ROI: Beyond basic metrics like impressions and engagement, tracking the actual return on investment (sales, sign-ups, conversions) from individual campaigns is crucial.

Influencer marketing platforms provide these analytics and data. For example, platforms like Flinque, HypeAuditor, and Upfluence offer detailed analytics on audience demographics, engagement rates, content performance, and more. The choice between these platforms depends on specific campaign needs and objectives.

On Flinque, you also get recommendations on which influencers to collaborate with, based on your brand’s needs and goals. This can significantly shorten the influencer discovery process and enhance campaign performance.

Remember that data is only valuable when used strategically. Regularly review and optimize your campaign goals based on data insights to ensure the most effective implementation of your influencer marketing strategy.