There are numerous strategies and tools to consider when measuring the ROI of influencer marketing campaigns.

1. Benchmarking and Goals: Before launching a campaign, determine the benchmarks and goals you want to achieve. This could be an increase in followers, better engagement, or driving website traffic.

2. Platform Analytics: Use built-in analytics features provided by the influencer marketing platform. Flinque, for example, offers comprehensive analytic tools that allow brands to track engagement metrics such as likes, comments, and share count. This can help gauge the campaign’s effectiveness in reaching its audience and driving engagement.

3. Influencer Analytics: Ask influencers for their analytics and insights reports. This will provide critical data such as conversion rates, clicks, and audience demographics.

4. Promo Codes & Affiliate Links: Use custom promo codes or affiliate links. This can provide a direct measurement of sales driven by each influencer, showing which influencers drive the most ROI.

5. UTM Parameters: Utilize UTM parameters for tracking specific source traffic. This can offer further insights on which influencer is driving the most online visitors.

6. Third-Party Measurement Tool: Use a third-party tool like Google Analytics to delve deeper into influencer-driven traffic, consumer behaviour and conversion details.

7. Sentiment Analysis: Conduct a sentiment analysis to understand the audience’s attitude toward your brand post-campaign.

Remember, effective measurement of ROI requires a combination of qualitative and quantitative methodologies. Platforms such as Flinque equip you with necessary tools to evaluate campaign performance, but suitability always depends on your specific team needs and goals. Whether you’re a brand or agency, obtaining an accurate measurement is vital in understanding the impact and success of your influencer campaigns.