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UTM code generator

Generate consistent tagged URLs for campaigns and reporting.

UTM Code Generator preview

Input

Your data stays in the browser. Nothing is sent until you hit run.

Tagged URL

Output appears here. Copy, tweak, and ship.

Run the utility to generate output in this panel.

How to use UTM Code Generator

Use this when campaigns need consistent source tagging and reporting hygiene.

Build tagged campaign URLs with source, medium, campaign, content, and term parameters without hand-assembling query strings.

Helpful for newsletters, paid ads, affiliate links, and any channel where you need clean attribution in analytics.

Step 1

Input Landing Page Target URL

Provide the base page destination where visitors should land.

Step 2

Define Campaign Attributes

Fill in source, medium, and campaign name to organize GA4 attribution.

Step 3

Copy Clean Tagged URL

Use the generated URL in your marketing campaigns, emails, or ad sets.

Real-World Examples

Compare optimized vs poorly constructed examples to guide your edits.

✓ Optimized Example

https://dildigital.com/vclar.html?utm_source=newsletter&utm_medium=email&utm_campaign=spring_launch

✕ Poor Example

https://dildigital.com/vclar.html?utm_source=Weekly%20Newsletter&utm_medium=Email&utm_campaign=Spring%20Launch%202026

Takeaway: Good link uses lowercase and hyphens/underscores. Bad link uses raw spaces and inconsistent capitalization that fragments GA4 reports.

Best Practices & Optimization Rules

Key parameters to maximize search visibility, user experience, and conversion rate.

Enforce Strictly Lowercase Characters

Analytics tools treat `Email` and `email` as separate mediums. Always use lowercase parameters.

Use Hyphens or Underscores for Spaces

Never use raw spaces in parameter fields; use hyphens (`spring-sale`) or underscores (`spring_sale`).

Align Medium with GA4 Default Channel Groups

Use standard medium names like `cpc`, `email`, `social`, or `affiliate` for seamless GA4 attribution.

Protect Target Page SEO with Canonical Tags

Ensure the target URL features a self-referencing canonical tag to prevent UTM link indexing duplication.

Publisher Quality Checklist

Run through these quick checks before publishing your content.

  • Is the base URL functional and accessible?
  • Are all UTM tag entries strictly lowercase?
  • Have you avoided spaces and special characters in tags?
  • Does utm_medium match GA4 default channel definitions?
  • Is the destination page protected with a self-referencing canonical tag?

Frequently Asked Questions

Direct, authoritative answers to common search & web optimization questions.

What are UTM parameters and how do they work in Google Analytics?

UTM (Urchin Tracking Module) parameters are standardized query tags appended to a destination URL (?utm_source=...&utm_medium=...). Analytics tools like Google Analytics 4 read these tags to attribute website traffic, user sessions, and conversions to specific marketing campaigns.

What is the difference between utm_source, utm_medium, and utm_campaign?

utm_source identifies the platform or publisher (e.g., google, newsletter, linkedin). utm_medium identifies the marketing channel type (e.g., cpc, email, social). utm_campaign identifies the specific promotion or product launch (e.g., spring_sale_2026).

Are UTM parameters case-sensitive in Google Analytics?

Yes. Google Analytics treats email, Email, and EMAIL as three separate traffic sources. Always use lowercase letters across all UTM parameters to keep reporting clean and aggregated.

Do UTM parameters hurt SEO or cause duplicate content issues?

UTM parameters create unique URL variations that can cause duplicate content issues if search engines index them. To protect SEO, ensure destination pages feature self-referencing canonical tags without query parameters.