This cookie name is being set on 3,794 websites and 1 distinct domains and we have seen it bein used in the following objects:

3,794 HTTP cookies

Cookie origin and purpose

Rubicon Project cookie used for tracking advertising campaigns and collect anonymized user behavior statistics. (confidence 1.0) » Reference...

Cookie classification

unknown (confidence 0.3)
tracking (confidence 0.3)
marketing (confidence 0.3)

Sample values

Sample value:

009395c6e59643b3bfa3481d

This cookie seems to be a hexadecimal-encoded data. Attempted decoded value:

b'\x00\x93\x95\xc6\xe5\x96C\xb3\xbf\xa3H\x1d'

Length: 12 bytes (96 bits)
Information entropy: 3.58 bits (average bits per symbol)
Information content: 43.02 bits

Sample value:

163286a107644921bfbcac00

This cookie seems to be a hexadecimal-encoded data. Attempted decoded value:

b'\x162\x86\xa1\x07dI!\xbf\xbc\xac\x00'

Length: 12 bytes (96 bits)
Information entropy: 3.58 bits (average bits per symbol)
Information content: 43.02 bits

Sample value:

1b4cc8096b9e41e58e59ae00

This cookie seems to be a hexadecimal-encoded data. Attempted decoded value:

b'\x1bL\xc8\tk\x9eA\xe5\x8eY\xae\x00'

Length: 12 bytes (96 bits)
Information entropy: 3.58 bits (average bits per symbol)
Information content: 43.02 bits

Domains targeted by `put_2978` 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.

rubiconproject.com

Web Cookies Scanner

Cookie: `put_2978`

Cookie origin and purpose

Cookie classification

Sample values

Domains targeted by `put_2978` cookie

Websites setting `put_2978` cookie

Web Cookies Scanner

Cookie: put_2978

Cookie origin and purpose

Cookie classification

Sample values

Domains targeted by put_2978 cookie

Websites setting put_2978 cookie

Cookie: `put_2978`

Domains targeted by `put_2978` cookie

Websites setting `put_2978` cookie