Optimizely Tag Usage and History

Domain First Detected Last Detected
crunchbase.com January-13 March-14
crunchgear.com April-13 October-13
techcrunch.fr April-13 October-13
tcrn.ch April-13 October-13
techcrunch.co.uk April-13 September-13
techcrunch.com May-13 October-13
tcdisrupt.com June-13 September-13

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.