Baseline measurement of canonical fonts rendered on the device. Numeric width metrics, in CSS pixels, for the canonical fonts collected by the agent.
| Name | Type | Description | Notes |
|---|---|---|---|
| _default | Double | [optional] | |
| serif | Double | [optional] | |
| sans | Double | [optional] | |
| mono | Double | [optional] | |
| apple | Double | [optional] | |
| min | Double | [optional] | |
| system | Double | [optional] |