How to Use GA4 with UTMs

Introduction

GA4 and UTMs work together when marketers need clear campaign attribution. UTMs label the visit before it reaches your website. GA4 records that context after the page loads. The better your UTM naming system is, the easier GA4 reports become to interpret.

Set the core fields

Use source, medium, and campaign for most marketing links. Source explains where the traffic came from. Medium explains the channel. Campaign identifies the promotion.

https://example.com/?utm_source=newsletter&utm_medium=email&utm_campaign=product_launch

Use content and term carefully

Use utm_content for creative variations, button placements, influencer links, QR locations, or ad variants. Use utm_term for paid keywords or audience details when needed.

Best practices block

• Tag email, paid social, affiliates, and QR campaigns.
• Keep source and medium values consistent.
• Avoid spaces and uppercase values.
• Check reports after launch.
• Compare campaign quality, not only clicks.

Mistakes block

• Leaving important links untagged.
• Using different medium values for the same channel.
• Creating campaign names that cannot be understood later.
• Ignoring redirects that remove parameters.

Practical workflow

Generate links with the UTM Builder, decode complicated links with the UTM Decoder, and clean old links with the UTM Cleaner. Related concepts include UTM Source, UTM Campaign, and Marketing Attribution.

FAQ

Can GA4 show campaign names from UTMs?

Yes. GA4 can use utm_campaign in campaign reporting.

Should QR campaigns use UTMs for GA4?

Yes. QR campaigns should use utm_medium=qr and a clear campaign name.