VWO is hosted on Google Cloud Platform (GCP) servers behind Google Load Balancer. There are multiple servers strategically located throughout the world to keep the latency minimum. The collected data is classified into VWO's customers' data and visitors' data, which are in turn stored in either of the following two servers, based on the configuration of the respective accounts:
- The us-east4 data center of GCP, located in Northern Virginia
- The europe-west1 data center of GCP, located in Belgium.
For more details about VWO's information residency, refer to this article.