Standardizing influencer reporting across different platforms can be achieved through several best practices:

1. Use a Universal Metric System: To enable comparison, use metrics common across platforms, such as Engagement Rate, Impressions, Click-Through Rate, Likes, Comments, and Shares. This enables marketing teams to provide a comprehensive view of influencer performance irrespective of the platform.

2. Adopt an Influencer Marketing Platform: Platforms like Flinque provide a unified interface for analyzing data from multiple social media platforms, making the reporting process much more streamlined and consistent.

3. Platform-Specific Insights: While standardizing metrics, it’s essential to consider unique metrics provided by each platform. For instance, Instagram Stories provides ‘Swipe Ups’, Youtube has ‘View Duration’. These unique metrics should be preserved to reflect the nuances of specific platforms.

4. Customized Reporting Templates: Create standardized reporting templates that can include both general and platform-specific metrics. These templates will ensure uniformity and consistency in reporting.

5. Interpretation and Context: Similar metrics may mean different things on different platforms. Ensure your team knows how to interpret each metric within the context of its platform.

Remember, the choice of tool will depend on the specific needs and objectives of your team. While some may prefer comprehensive platforms like Flinque for their depth of functionality, others might opt for simpler tools. This is an individual decision based on the desired goals and budgets.