UTM Builder

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UTM Builder for Affiliate Marketing

Create GA4-compatible campaign tracking URLs for Affiliate Marketing using practical source, medium, campaign, and content values.

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Affiliate Marketing-specific tracking guidance

Track affiliate partners, creator links, coupons, and referral placements with structured UTMs. Affiliate Marketing traffic can be difficult to compare when campaign names, ad placements, or organic links use inconsistent labels. A dedicated UTM structure helps teams understand how this traffic performs in GA4 and how it compares with other channels.

GA4 sees this traffic through the UTM values attached to the landing URL. For this page, the recommended starting point is source partner_name and medium affiliate. That pairing keeps reports readable and makes it easier to compare this traffic against email, paid search, social, affiliate, QR, and referral campaigns.

The goal is not to create a different naming system for every page. The goal is to document practical defaults, show examples, and connect the page to the wider campaign tracking workflow. Use this page when planning campaign URLs, briefing team members, or auditing whether existing links follow a reliable pattern.

Recommended UTM structure

Source

utm_source=partner_name

Medium

utm_medium=affiliate

Campaign

utm_campaign=creator_launch

Content

utm_content=coupon_link

Example URLs

https://example.com/?utm_source=partner_name&utm_medium=affiliate&utm_campaign=creator_launch&utm_content=coupon_link

https://example.com/?utm_source=partner_name&utm_medium=affiliate&utm_campaign=creator_launch&utm_content=footer_link

https://example.com/?utm_source=partner_name&utm_medium=affiliate&utm_campaign=product_launch&utm_content=coupon_link

Best practices

Use source for partner identity and campaign for the promotion.
Keep source and medium lowercase so reports do not split traffic into duplicate rows.
Use campaign values for the initiative, not every tiny placement detail.
Use content values for ad-level tracking, creative variants, placements, or page locations.

Common mistakes

Using the same source for every affiliate partner.

Other common mistakes include uppercase values, spaces in campaign names, inconsistent separators, missing campaign names, and using one broad campaign label for every placement. Validate links before launch and keep a shared naming document for future campaigns.

FAQ

What source should I use for Affiliate Marketing?

Use partner_name as a practical starting point when you want reports to identify Affiliate Marketing traffic clearly.

What medium should I use for Affiliate Marketing?

Use affiliate when it matches the channel type. Keep medium values consistent across similar campaigns.

Does GA4 support Affiliate Marketing UTM links?

Yes. GA4 can read UTM source, medium, campaign, content, and term values from tagged landing URLs.

Should UTM values be lowercase?

Yes. Lowercase values reduce fragmented reports and make campaign data easier to compare.