To enable cross-domain tracking you need to add your links in the linkers
array in the configuration object
import Kdu from 'kdu'
import KduAnalytics from 'kdu-analytics'
Kdu.use(KduAnalytics, {
id: 'UA-XXX-X',
linkers: ['example1.com', 'example2.com']
})
More information about cross-domain tracking