FewCookies

Cookie glossary · Marketing

What is the branch_session_first cookie?

Branch cookie that retains the user's first-session data for acquisition source attribution. It is set by Branch and classified as "Marketing". Requires consent.

At a glance

Provider Branch
Category Marketing
Consent required? Yes
Typical domain Varies (first-party)

How FewCookies handles this cookie

FewCookies recognises branch_session_first 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.

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Frequently asked questions

Do you need consent for the branch_session_first cookie?

Yes. branch_session_first 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 branch_session_first cookie do?

Branch cookie that retains the user's first-session data for acquisition source attribution.

Who sets the branch_session_first cookie?

The branch_session_first cookie is associated with Branch and is classified as marketing.