FewCookies

Cookie glossary · Strictly necessary

What is the GCLB cookie?

Google Cloud Load Balancer session-affinity cookie that keeps the visitor's requests on the same backend instance. It is set by Google Cloud and classified as "Strictly necessary". No consent required.

At a glance

Provider Google Cloud
Category Strictly necessary
Consent required? No
Typical domain Varies (first-party)

How FewCookies handles this cookie

FewCookies recognises GCLB from our database of 1,300+ known cookies and classifies it automatically as "Strictly necessary". 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 GCLB cookie?

No. GCLB is a strictly necessary cookie, exempt from consent under Article 5(3) of the ePrivacy Directive and Law 506/2004. You may use it without the visitor's prior agreement.

What does the GCLB cookie do?

Google Cloud Load Balancer session-affinity cookie that keeps the visitor's requests on the same backend instance.

Who sets the GCLB cookie?

The GCLB cookie is associated with Google Cloud and is classified as strictly necessary.