Fundamentals • V2 guide

UTM Tracking: A Simple Guide to Campaign Parameters

UTM parameters are labels added to URLs so analytics tools can identify the source, medium, campaign and optional details associated with a visit.

Editorially reviewed: August 10, 2026 · Conversion Clarity Editorial

Short answer: UTM parameters are labels added to URLs so analytics tools can identify the source, medium, campaign and optional details associated with a visit.

Key takeaways

UTMs label traffic; they do not by themselves prove which touchpoint deserves credit.
Use a documented naming convention.
Keep campaign names readable and consistent.
Never put sensitive personal information in UTM values.

The five common UTM parameters

utm_source — where traffic came from
utm_medium — channel type
utm_campaign — campaign name
utm_content — creative or placement distinction
utm_term — often used for keyword or targeting detail

A simple example

?utm_source=newsletter&utm_medium=email&utm_campaign=august_launch

UTMs vs tracking IDs

UTMs are human-readable campaign labels. Click IDs and other identifiers often operate at a more granular event or click level. Mature setups may use both.

Naming rules worth adopting

Choose lowercase, avoid spaces, pick one separator style and document abbreviations. Consistency is more valuable than cleverness.