Are UTM tags case-sensitive?

Yes. Google Analytics treats 'Email', 'email', and 'EMAIL' as separate mediums. It is best practice to always use lowercase letters for UTM tags.

Updated: August 2026 • Verified v1.2

Campaign UTM Link Builder & URL Tagging Tool

Business & OfficeProductivity

Local Browser Execution: Your input is processed locally in your browser and is not sent to UTL servers.

Target_URL?utm_source=...&utm_medium=...&utm_campaign=...

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Understanding Your Results

Constructs valid RFC-compliant tracking URLs with `utm_source`, `utm_medium`, `utm_campaign`, `utm_term`, and `utm_content` query parameters.

Practical Guidance & Next Steps

Keep UTM parameters all-lowercase without spaces (use underscores `_` or dashes `-`) to ensure clean reporting in Google Analytics 4.

What is this?

A digital marketing utility that constructs standardized UTM tracking parameters for campaign performance measurement in Google Analytics 4.

How does it work?

1. Enter your website target URL. 2. Fill in Campaign Source (e.g. google), Medium (e.g. cpc), and Campaign Name (e.g. spring_sale) or select a channel preset. 3. Click 'Copy Campaign Link' to deploy in your marketing campaigns.

Why use it?

Eliminates broken query string formatting and ensures consistent attribution across marketing channels.

Technical Scope & Calculation Limitations

UTM parameters are tracked when users click through to websites instrumented with Google Analytics (GA4) or standard web analytics.

Frequently Asked Questions

UTM (Urchin Tracking Module) parameters are five standardized query parameters added to URLs that allow Google Analytics to track where traffic originated and which campaigns were effective.

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