You can add Device Characterization (DC) to accelerate and optimize your content based on the requesting device's features and capabilities. With DC, you can:

Identify the characteristics of each device that requests data from your site
Use this information to serve content optimized for each device class,
Fine-tune content caching.

How to set up DC

There are two separate behaviors you can add to your property for DC. Their setup isn't unique to Ion. See the Property Manager documentation for full usage instructions:

Device Characterization - Forward in Header.
Device Characterization - Define Cached Content.