test_cookie Cookie

What does the test_cookie cookie do?

This cookie is set by the company that owns DoubleClick, which is a subsidiary of Alphabet Inc., to check if the user's web browser can store cookies. The test_cookie is a functional cookie that checks whether your browser supports cookies.

Why this cookie matters

This cookie is commonly used by doubleclick , doubleclick-google-marketing for marketing purposes – such as tracking usage behaviour, optimising experience, or enabling marketing functionality.

Because it's categorised as marketing, many jurisdictions require that users give explicit consent before it can be activated. If blocked or denied by the visitor, personalised ads or retargeting features may not function properly.

How Cookifi helps you manage this cookie

Cookifi automatically detects cookies like test_cookie, categorises them, and gives you full control over when and how they load - based on your users' consent choices.

Whether you manage consent via Google Tag Manager, consent APIs (like the Shopify or WordPress Consent API), or prefer automatic cookie blocking or manual script control, Cookifi integrates seamlessly into your stack.

Built for technical marketers, business owners and developers, Cookifi offers flexibility without sacrificing compliance.