Measuring impact

VWO SDKs make different types of network calls to VWO server depending on the API method used.

• getSettingsFile - To fetch settings before SDK initialization.
• activate - To send an impression to the VWO server when a user becomes part of a campaign to count a new visitor. Only for A/B Campaign.
• getVariationName - Does not send any impression call.
• track - To send an impression to the VWO server when a user converts a goal of a campaign to count a conversion corresponding to a new visitor.
• isFeatureEnabled - To send an impression to the VWO server when a feature is enabled for a user to count a new visitor. Only for Feature Test Campaigns.
• getFeatureVariableValue - Does not send any impression call.