How do you measure data freshness?
In the case of data freshness, you can measure the difference between latest timestamps against the present moment, the difference between a destination and a source system, verification against an expected rate of change, or corroboration against other pieces of data.
What is data freshness?
Data freshness refers to how up-to-date the data in a report is. Different types of reports have different requirements or expectations for data freshness. If you are measuring ad performance on your site or app, for example, daily updates might be sufficient.