QR Codes와 UTM 추적: 모든 스캔을 측정하세요

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Adding UTM parameters to QR code URLs for Google Analytics tracking. Parameter best practices and campaign attribution.

UTM Tracking with QR Codes: Measure Every Scan

UTM parameters added to QR code URLs enable precise campaign attribution in Google Analytics and other analytics platforms.

UTM Parameter Overview

Five standard UTM parameters:

Parameter Purpose QR Code Example
utm_source Traffic source qr_code
utm_medium Marketing medium print, packaging, signage
utm_campaign Campaign name spring_sale_2026
utm_content Creative variant poster_a, flyer_b
utm_term Keyword (optional) Rarely used for QR

Building UTM URLs for QR Codes

Example URL with UTM parameters:

https://example.com/offer?utm_source=qr_code&utm_medium=print&utm_campaign=spring_sale&utm_content=poster_downtown

Naming Conventions

Consistent naming is critical for clean analytics data:

  • Lowercase only: qr_code not QR_Code (GA is case-sensitive)
  • Underscores for spaces: spring_sale not spring sale
  • Descriptive content tags: bus_stop_main_st not variant_1
  • Date or quarter: q1_2026 for temporal campaigns

URL Length Impact

UTM parameters add 80-150 characters to the URL. This increases the QR code version and physical size. Mitigation strategies:

Viewing Results in Google Analytics 4

In GA4, UTM-tagged QR scans appear in:

  • Acquisition > Traffic acquisition: Filter by source/medium = qr_code / print
  • Acquisition > Campaign: Filter by campaign name
  • Explore > Free form: Build custom reports by utm_content for creative comparison

Attribution Considerations

QR code scans are "last-click" interactions. If a user sees a TV ad and then scans a QR code, GA attributes the visit to the QR code. Consider assisted conversion reports for full-funnel analysis.

Key Takeaways

  • Use all five UTM parameters for complete campaign attribution
  • Lowercase, underscore-separated naming conventions prevent data fragmentation
  • UTM parameters add URL length — mitigate with short base URLs or dynamic QR
  • View QR scan data in GA4 under Acquisition reports
  • QR scans are last-click — check assisted conversions for full funnel view