Caching data during Synthetic Monitoring

Is data cached or stored as a cookie during Synthetic and Webpage Speed (Browser) Monitoring?

No, the data isn't stored in a cache or cookie.

Synthetic monitoring and Webpage Speed (Browser) monitoring are done from a private or incognito window. For each poll, a profile is created and the browser is opened in Chrome or Firefox incognito windows. For this reason, data related to the polls will not be stored.