This cookie name is being set on 943 websites and 16 distinct domains and we have seen it bein used in the following objects:

943 HTTP cookies

Cookie origin and purpose

We don't have any detailed information on its purpose but we constantly update our database. Please contact us if you can provide this information!

Cookie classification

unknown (confidence 1)

Sample values

Sample value:

006c5a06-d8f8-4020-ad26-87849c7a1bf5

This seems to be a UUID (GUID), version: 4

Length: 36 bytes (288 bits)
Information entropy: 3.75 bits (average bits per symbol)
Information content: 135.00 bits

Sample value:

012c59f0-5dd5-4d27-9087-af7765108373

This seems to be a UUID (GUID), version: 4

Length: 36 bytes (288 bits)
Information entropy: 3.72 bits (average bits per symbol)
Information content: 133.75 bits

Sample value:

01cfa41f-8c80-4c8f-9dcf-433a389b65d0

This seems to be a UUID (GUID), version: 4

Length: 36 bytes (288 bits)
Information entropy: 3.66 bits (average bits per symbol)
Information content: 131.85 bits

Domains targeted by IUID cookie

This list includes both third-party domains set by tracking and adversing companies, as well as the first-party domains of the websites that use this cookie name.

Web Cookies Scanner

Cookie: `IUID`

Cookie origin and purpose

Cookie classification

Sample values

Domains targeted by `IUID` cookie

Websites setting `IUID` cookie

Web Cookies Scanner

Cookie: IUID

Cookie origin and purpose

Cookie classification

Sample values

Domains targeted by IUID cookie

Websites setting IUID cookie

Cookie: `IUID`

Domains targeted by `IUID` cookie

Websites setting `IUID` cookie