Google Adsense Tag Usage and History

Domain First Detected Last Detected March-14 March-15 September-14 March-15 April-15 April-16 May-14 April-15 April-15 June-15 May-14 April-15 January-14 August-14 February-14 August-14 March-14 January-16 August-14 November-14 August-14 September-14 April-15 April-16 February-18 March-18 February-18 March-18 February-18 March-18

Relationship data is generated by looking at the historical usage of identifiers which are generally shared between websites owned/controlled by the same company/individual.

Automate lookups to website relationships via the Relationships API.