This cookie name is being set on 137,148 websites and 82 distinct domains and we have seen it bein used in the following objects:

137,148 HTTP cookies

Cookie origin and purpose

A generic test cookie set by a wide range of web platforms. (confidence 1.0) » Reference...

Cookie classification

unknown (confidence 1)

Sample values

Sample value:

0101f32f-624e-458c-abb3-c5fb0844228a

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

Length: 36 bytes (288 bits)
Information entropy: 3.70 bits (average bits per symbol)
Information content: 133.10 bits

Sample value:

Length: 1 bytes (8 bits)
Information entropy: 0.00 bits (average bits per symbol)
Information content: 1.00 bits

Sample value:

2whetpf8

This might be a Base64-encoded cookie. Decoded value:

b'\xdb\x08^\xb6\x97\xfc'

Length: 6 bytes (48 bits)
Information entropy: 2.58 bits (average bits per symbol)
Information content: 15.51 bits

Domains targeted by `test_cookie` 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.

Websites setting test_cookie cookie

Web Cookies Scanner

Cookie: `test_cookie`

Cookie origin and purpose

Cookie classification

Sample values

Domains targeted by `test_cookie` cookie

Websites setting `test_cookie` cookie

Web Cookies Scanner

Cookie: test_cookie

Cookie origin and purpose

Cookie classification

Sample values

Domains targeted by test_cookie cookie

Websites setting test_cookie cookie

Cookie: `test_cookie`

Domains targeted by `test_cookie` cookie

Websites setting `test_cookie` cookie