Understanding UTM Codes

At CEHD, we create communications in many formats that link to our website–print materials, email communications, social posts and bran

What Are UTM Codes? 

UTM (Urchin Tracking Module) codes are snippets of text added to the end of a destination URL to track how visitors arrive at a website. When a user clicks a link appended with UTM parameters, analytics platforms—such as Google Analytics 4—read these tags to identify the precise channel, campaign, and content asset that drove the visit.

A standard URL with UTM tags looks like this: [https://www.example.edu/research?utm_source=linkedin&utm_medium=social&utm_campaign=spring_2026_grants](https://www.example.edu/research?utm_source=linkedin&utm_medium=social&utm_campaign=spring_2026_grants)

Why UTM Codes Are Essential for Analytics

• Accurate Source Attribution: Distinguishes precise traffic sources, preventing valuable campaign clicks from being misclassified as generic "Direct" or "Unassigned" traffic in reporting tools.
  
  

• Granular Campaign Tracking: Measures the effectiveness of specific marketing initiatives, email newsletters, paid advertising campaigns, or press releases.
  
  

• A/B Testing & Content Comparison: Tracks which call-to-action buttons, visual banners, or link placements within the same asset generate the highest engagement.
  
  

• Cross-Channel ROI Evaluation: Allows teams to compare conversion rates and engagement metrics across different platforms (e.g., comparing LinkedIn post performance versus email newsletter performance).

The 5 Standard UTM Parameters

utm_source

Required

Identifies the platform, site, or publication sending the traffic.

newsletter, linkedin, google, qr_code

utm_medium

Required

Identifies the high-level marketing channel or mechanism.

email, social, cpc, print_flyer

utm_campaign

Required

Identifies the specific strategic campaign, event, or product launch.

fall_2026_admissions, faculty_spotlight

utm_term

Optional

Identifies paid search keywords or targeted audience segments.

environmental_science_degree, alumni

utm_content

Optional

Differentiates specific links or visual assets pointing to the same destination URL.

header_banner, text_link_p2, sidebar_cta