UTM Parameter

Tags added to URLs that track the source, medium, and campaign name of traffic in analytics tools.

May 1, 2026 / About 1 min read

Analytics

UTM (Urchin Tracking Module) parameters are tags appended to URLs that allow analytics tools like Google Analytics to identify the source, medium, campaign, term, and content associated with each visit. The five standard UTM parameters are utm_source, utm_medium, utm_campaign, utm_term, and utm_content.

UTM parameters are essential for campaign attribution. Without them, analytics tools can only identify traffic sources through referrer headers, which are often missing or inaccurate. By adding UTM parameters to links shared in emails, social media posts, and advertisements, marketers can precisely track which campaigns drive traffic and conversions.

URL shortening services complement UTM parameters by hiding the lengthy tagged URLs behind clean short links. A URL with five UTM parameters can easily exceed 200 characters, making it unwieldy for social media posts and printed materials. A short URL preserves all the tracking data while presenting a clean, shareable link.

Best practices for UTM parameters include establishing consistent naming conventions, using lowercase values to avoid case-sensitivity issues in analytics, documenting all active UTM schemes in a shared spreadsheet, and avoiding UTM parameters on internal links.

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Related Terms

Click Analytics

The measurement and analysis of user clicks on links, providing insights into engagement and traffic sources.

Canonical URL

A mechanism that, when multiple URLs exist for the same content, specifies the URL that search engines should index preferentially.

Short URL

A condensed version of a long URL that redirects to the original destination. Short URLs are easier to share and track.

Affiliate Link

A URL containing a unique tracking code that credits a referrer when a user makes a purchase or completes an action.

Referrer

The URL of the page that linked to the current page, transmitted in the HTTP Referer header.

URL Parameter

Key-value pairs appended after the "?" in a URL. Used to pass search criteria, tracking information, and other data.

UTM Parameters Guide: Measure Campaign Performance

A systematic explanation of the five elements of UTM parameters and naming rules. With real examples, it covers how to combine them with short URLs, how to check them in GA4, and common mistakes and how to avoid them.

How to Track Marketing Campaigns with Short URLs

Learn how to use short URLs for campaign tracking. Discover techniques for UTM integration, A/B testing, and data-driven marketing.

Short URL Analytics 101: How to Read and Act on Click Data

An explanation of how to read and use the access analytics obtained from short URL click data. We introduce analysis methods by device / region / time of day, points to watch in bot filtering, the impact of privacy regulations, and how to build an improvement cycle.

FAQ

What types of UTM parameters are there?

There are five: utm_source (traffic source), utm_medium (medium type), utm_campaign (campaign name), utm_term (search keyword), and utm_content (content identifier). Source, medium, and campaign are required.

Do UTM parameters affect SEO?

Not directly, but if canonical tags aren't set correctly, URLs with UTM parameters may be treated as duplicate content by search engines.

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