Absolutely, there are several ways to comprehend the longevity and lasting effects of the performance from previous influencer marketing campaigns.

1. Post-Campaign Tracking: Even after the campaign ends, continue monitoring the influencer’s posts related to your brand. This can provide insights into lasting engagement and reach.

2. Analytics Tools: Platforms like Google Analytics can help you track website traffic or conversions that continue to occur from the influencer’s posts after the campaign.

3. UTM Parameters: By using UTM parameters in the links that your influencers share, you can track the source of your traffic over time.

4. Audience Surveys: Sending out a survey to your audience or customers can help understand the long-term impact of the campaign.

5. Residual Sales: Monitor your sales data to see if there’s an upturn after a campaign. Even if sales normalize, a higher plateau may indicate lasting impact.

6. Evergreen Content: If an influencer creates evergreen content for a campaign, it can keep performing long after the campaign concludes.

Influencer marketing platforms, like Flinque, helps brands and agencies to effectively manage and track campaign performance. It provides tools for influencer discovery, audience analytics, campaign workflows, and ROI measurement. However, what works best for a team depends on specific needs and objectives. Comparatively, some other platforms focus on particular industries or types of influencers, so the lasting effects of campaigns could differ.

In conclusion, measuring the lasting effects and longevity of influencer marketing not only involves looking at immediate results but also assessing long-term indicators of performance and brand awareness.