Amplitude cross domain tracking
Track responders in Amplitude across domains
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Track responders in Amplitude across domains
Last updated
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If you would like to track Amplitude users across multiple domains e.g:
Site 1: https://www.example.com
Site 2: https://www.flow.example.com (the domain hosting the Formsort flow)
You must explicitly pass the amplitude device id from the top level domain to the one hosting the Formsort flow. This can be done for the both with a direct link deployment or an embedded flow.
Navigate to the Amplitude integration and enable "Use device ID from URL parameter".
Follow the . After deploying the flow in Step 1, you can now pass a device id into the flow as a parameter.
Pass the device id as a query parameter, for example this may look like:
From the initial Site 1 grab the Device ID from the Amplitude SDK using amplitude.getInstance().options.deviceId.
Pass the Device ID to the new Site 2 via a URL parameter when the user navigates. (e.g. https://flow.example.com/client/{{your_account_name}}/flow/{{your_flow_name}}/variant/{{your_flow_variant_name}}/?amp_device_id=device_id_from_site_1)
Initialize the Amplitude SDK on Site 2 with amplitude.init('API_KEY', null, {deviceIdFromUrlParam: true}).
Note: After initializing amplitude, Formsort flow removes device id from URL. But cross-domain tracking keeps working if user refreshes the page.
If you want to enable cross domain tracking in an embedded flow, you can pass amp_device_id via query_params in our package. e.g.
If you don't use react, you can do the same using our . e.g.
