FewCookies

Cookie glossary · Functional

What is the cf_use_ob cookie?

Cloudflare cookie indicating whether the Always Online version of the page is used. It is set by Cloudflare and classified as "Functional". Requires consent.

At a glance

Provider Cloudflare
Category Functional
Consent required? Yes
Typical domain Varies (first-party)

How FewCookies handles this cookie

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

Yes. cf_use_ob is a "Functional" 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 cf_use_ob cookie do?

Cloudflare cookie indicating whether the Always Online version of the page is used.

Who sets the cf_use_ob cookie?

The cf_use_ob cookie is associated with Cloudflare and is classified as functional.