utm_source Cookie

What does the utm_source cookie do?

Provide parameters to URLs to identify the campaign that referred traffic. This cookie is used to track the source of a visitor, typically set by Google Analytics to identify the channel through which a user arrived at the website.

Why this cookie matters

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

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

How Cookifi helps you manage this cookie

Cookifi automatically detects cookies like utm_source, 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.