
UTM parameters turn messy traffic into clean, trustworthy reports. With a simple naming system and a little governance, your GA4, ad platforms, and CRM line up neatly so you can see which campaigns actually drive pipeline.
What UTM parameters are and when to use them
Use UTMs anywhere you control the link and want reliable attribution. That includes ads, emails, social bios, partner placements, QR codes, PDFs, and app deep links.
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utm_source identifies where the click came from. Examples: Google, Meta, LinkedIn, newsletter.
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utm_medium identifies the channel bucket. Examples: cpc, email, social, referral.
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utm_campaign groups clicks by initiative. Examples: 2025q4_brand_refresh, spring_sale, webinar_may.
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utm_content helps compare creatives or placements. Examples: video_a, image_red, sidebar, textlink.
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utm_term is useful for paid search keywords or audience labels. Examples: audi_repair, remarketing_30d.
A clean naming convention that scales
Consistency beats cleverness. Adopt these rules and publish them to your team.
Rules to follow
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Use lowercase only.
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Separate words with underscores.
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Avoid spaces and special characters.
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Prefer terms that can be reused across campaigns.
Standard values that keep GA4 tidy
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Mediums: cpc, paid_social, social, email, display, affiliate, referral, qr.
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Sources: google, bing, meta, linkedin, tiktok, x, mailchimp, klaviyo, hubspot, and partner brand or domain names.
Helpful structures
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Campaigns: year plus theme plus offer. Examples: 2025q4_brand_refresh, 2025q2_summer_sale, 202509_webinar_ga4.
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Content: format plus variant or placement plus creative. Examples: video_a, image_blue, stories_1, sidebar_textlink.
Channel by channel guidance
Paid search
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Source is the engine. Example: google.
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Medium is cpc.
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Campaign follows your initiative naming.
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Term can capture the keyword and content can reference ad group or creative.
Paid social
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Source is the platform such as meta or linkedin.
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Medium is paid_social.
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Use content for placement or creative variations.
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Consider using term to label audiences such as retargeting_30d or lookalike_1.
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Source is your ESP such as mailchimp or hubspot.
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Medium is email.
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Use content to label the CTA or link location such as cta_primary or footer_link.
Organic social
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Source is the platform.
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Medium is social.
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Campaign can be the evergreen theme or series. Content can be post type like reel_1 or carousel_3.
Partners and referrals
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Source is the partner name such as acmepartners.
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Medium is referral.
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Use content for placement details such as newsletter_sponsor or blog_sidebar.
Offline to online with QR
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Source is the publication or venue such as magazine or tradeshow.
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Medium is qr.
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Content indicates the placement such as booth_backwall or flyer_front.
UTM checklist before launch
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All parameters are lowercase and use underscores.
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Source, medium, and campaign are present on every link.
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The link resolves to the final landing page with UTMs intact after redirects.
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Link shorteners preserve the full query string.
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App deep link fallback works and carries UTMs.
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QR codes scan to the full URL with UTMs intact.
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The link is logged in your campaign tracker.
How UTMs roll up in GA4
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GA4 reads source and medium directly and maps them into Default Channel Grouping. If you stick to standard mediums such as cpc and paid_social, your reports remain clean without custom rules.
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Campaign, content, and term appear as dimensions in Explorations, Traffic Acquisition, and Attribution.
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Google Ads auto tagging can coexist with UTMs. Auto tagging enriches data while UTMs guarantee clean cross platform reporting.
Tip
Start with Google’s default channel grouping and align your utm_medium values to it. Only add custom rules if you have a clear use case.
The five most common UTM mistakes and how to prevent them
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Inconsistent medium names
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Symptom: social, paid social, and Paid_Social appear as different channels.
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Prevention: maintain a controlled vocabulary and validate during QA.
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Source collisions between paid and organic
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Symptom: facebook shows both paid and organic traffic under one bucket.
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Prevention: rely on medium to distinguish paid versus organic while keeping source as the platform name.
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Spaces and uppercase in values
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Symptom: Spring Sale and spring_sale look like separate campaigns.
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Prevention: lowercase with underscores only.
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UTMs lost during redirects or short links
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Symptom: final landing page drops parameters.
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Prevention: generate short links that include the full query string and test the final page.
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UTMs on internal links
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Symptom: self referrals and broken attribution.
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Prevention: never use UTMs on links inside your own site. Use event tracking instead.
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Governance that keeps reports clean
Publish a one page UTM policy
Define each field, list allowed medium values, show examples per channel, and state who owns changes.
Use a shared campaign tracker
Include owner, dates, target URL, source, medium, campaign, content, term, short link, and QA status. Store it where the team already works.
Create platform specific snippets
Keep ready to use patterns for Google Ads, Meta, LinkedIn, your ESP, and your QR generator so builders do not invent new formats.
Lock down creation rights
Grant short link and QR code creation to a small trained group. Everyone else copies from the tracker.
Advanced tips
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Audience labeling in term for paid social
Track prospecting versus retargeting by adding audience labels in utm_term such as prospecting_lookalike1 or retargeting_30d. -
A and B testing with content
Keep the same campaign value and vary utm_content by creative or placement. This lets you compare variants apples to apples. -
Regions and languages
Add suffixes such as _us, _ca_fr, or _uk to campaign names for clean geographic rollups. -
Vanity URLs for offline
Print a short memorable URL that 301 redirects to the full UTM link. Test that the redirect preserves parameters.
A simple QA workflow
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Build the full landing page URL with UTMs following your policy.
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Paste it into an incognito browser window.
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Confirm the final URL keeps all UTM parameters after redirects.
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Open GA4 DebugView and trigger a page view with that URL.
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Verify session source and session medium appear as expected in Realtime or DebugView.
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Confirm the click appears correctly in the ad platform or ESP preview reports.
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Log the short link or QR output and mark QA complete in the tracker.
Quick reference by channel
| Channel | Typical utm_source | Typical utm_medium | Campaign example | Content example | Term example |
|---|---|---|---|---|---|
| Google Ads Search | cpc | 2025q4_brand | headline_a | the keyword used | |
| Meta Ads | meta | paid_social | 2025q4_brand | feed_image_1 | audience label |
| LinkedIn Ads | paid_social | 2025q4_brand | sponsored_message | audience label | |
| Email Newsletter | mailchimp or hubspot | 2025q4_newsletter | cta_primary | leave blank | |
| Organic Social | facebook or instagram or linkedin | social | evergreen_tips | reel_3 | leave blank |
| Partner Referral | partner brand | referral | 2025q4_co_marketing | blog_sidebar | leave blank |
| Print with QR | magazine or tradeshow | qr | 2025q4_brand | booth_backwall | leave blank |
