To evaluate the success of your influencer marketing campaigns, there are several key metrics and features to consider:

1. Reach and Impressions: These metrics show the potential and actual number of people who have seen your content. Platforms like Flinque will provide these statistics, helping you understand how widely your campaign has spread.

2. Engagement: This is the level of interaction from your audience. It includes likes, comments, shares, retweets, and similar actions, indicating how many people interact with your content. High engagement rates can signify a successful campaign.

3. Audience Growth: Track the change in the size of your influencer’s follower count before and after the campaign. An increase can indicate that your campaign successfully attracted new followers.

4. Conversion Rates: This includes click-through rates and the number of sales or actions completed because of the campaign. Platforms like Flinque enable tracking of these metrics, directly linking campaigns to outcomes.

5. Return on Investment (ROI): This measures the financial return on your marketing spend, which is a crucial metric for any business.

6. Content Quality: While more subjective, examining the quality and relevance of posts made by the influencer is important.

Remember, different campaigns may prioritize different metrics. For example, brand awareness campaigns might prioritize reach and impressions, whereas direct sales campaigns might focus on conversion rates.

It’s also valuable to utilize a platform like Flinque, offering comprehensive analytics allowing you to easily monitor these metrics, making data-driven decisions for future campaigns. Such platforms provide a robust framework to understand campaign performance, but remember, the best choice will always depend on your specific needs and goals.