_gcl_au, _gcl_ls
Google Ads · 3 months
Measures how many orders and bookings Google ads brought.
test_cookie, IDE
Google (doubleclick.net) · 1 day – 13 months
Google's ad network — measuring and showing ads.
sid, udid, sznlbr, retargeting, conv
Seznam.cz (Sklik) · 30 days
Conversion measurement and retargeting in the Sklik network.
C, uid
Adform · 2 months
Adform's ad network — measuring and showing ads.
__oppref, __obref
OpenAI (reklamy v ChatGPT) · 30 days – 1 year
Measures how many bookings and orders ads in ChatGPT brought.
panoramaId, panoramaId_expiry, panoramaIdType
Lotame (Adform) · session
Advertising identifier used to show relevant ads.