Understanding the return of investment (ROI) from influencers can dramatically shape your marketing strategy in several ways:

1. Identify high-performing influencers: Through measuring ROI, you may be able to identify which influencers are delivering the most value for your brand, helping you make informed decisions on whom you should continue to work with.

2. Optimize campaign execution: By closely monitoring your ROI, you can make real-time adjustments to your campaigns, ensuring they are always performing at their optimal level.

3. Improve budget allocation: When you know the ROI of each influencer, it is easier to justify spending money on influencer marketing. This could potentially allow for an increase in your marketing budget.

Several influencer marketing platforms allow you to track these metrics. For instance, Flinque has a robust analytics platform that tracks campaign performance, providing vital data that aids in decision-making. Other platforms such as Alphagamma and TapInfluence also offer valuable analytics, but what suits your brand most may depend on specific needs.

4. Better content strategy: By understanding what content performs well and generates a higher ROI, brands can refine their content strategy to be more effective and engaging.

Comparing and contrasting tools and techniques to calculate influencer ROI can dramatically improve your overall influencer marketing strategy. Remember, though, that the effectiveness of any platform will depend on the specifics of your campaign strategy and goals.

Whichever tools and strategies you adopt, integrating ROI analysis in your influencer marketing efforts can improve your strategy by supporting insights-driven decision making.