At a glance
| Provider | Yahoo |
|---|---|
| Category | Marketing |
| Consent required? | Yes |
| Typical domain | .yahoo.com |
Do you need consent for IDSYNC?
Yes. IDSYNC is a "Marketing" cookie, so it is not strictly necessary. Under the ePrivacy Directive (2002/58/EC) and Romania's Law 506/2004, you must obtain the visitor's explicit consent before setting it.
This is general guidance, not legal advice — always verify with a lawyer.
How FewCookies handles this cookie
FewCookies recognises IDSYNC from our database of 1,300+ known cookies and classifies it automatically as "Marketing". The free check tells you whether this cookie is detected on your site and whether your banner handles it correctly — an instant, surface-level check, no account needed.
Frequently asked questions
Do you need consent for the IDSYNC cookie?
Yes. IDSYNC is a "Marketing" cookie, so it is not strictly necessary. Under the ePrivacy Directive (2002/58/EC) and Romania's Law 506/2004, you must obtain the visitor's explicit consent before setting it.
What does the IDSYNC cookie do?
Yahoo cookie used for syncing identifiers across advertising platforms.
Who sets the IDSYNC cookie?
The IDSYNC cookie is associated with Yahoo and is classified as marketing.