What are UTM parameters used for?

UTM parameters let you track the effectiveness of marketing campaigns in Google Analytics (or any analytics tool). They tell you which source, medium, and campaign drove each visit, so you can measure ROI and optimize spending.

Which UTM parameters are required?

Google recommends at minimum utm_source, utm_medium, and utm_campaign. The utm_term (for paid keywords) and utm_content (for A/B testing different creatives) are optional but useful for granular tracking.

Do UTM parameters affect SEO?

No. UTM parameters are used by analytics tools, not search engines. Google ignores UTM tags when crawling and indexing. However, avoid using UTM-tagged URLs as canonical URLs or in internal links, as that can cause duplicate content issues.

Should I use UTM tags on internal links?

No. UTM parameters are for tracking external traffic sources. Using them on internal links will override the original source/medium data in Google Analytics, making your attribution data inaccurate.

Are UTM parameters case-sensitive?

Yes. In Google Analytics, utm_source=Facebook and utm_source=facebook are tracked as two different sources. Use consistent lowercase naming conventions to keep your data clean.

How do I view UTM data in Google Analytics?

In GA4, go to Reports > Acquisition > Traffic acquisition. You'll see sessions broken down by source, medium, and campaign. You can also create custom explorations to analyze UTM term and content dimensions.

SEO

UTM Builder

Generate campaign-tagged URLs to track traffic sources in Google Analytics with precision.

100% free
No sign-up
Clear controls
Open and use

Quick Presets

Website URL *

utm_source *

utm_medium *

utm_campaign *

utm_term (optional)

utm_content (optional)

Generated URL

Fill in the required fields to generate your tagged URL...

What this tool does

Track exactly which campaigns drive traffic
Auto-generates properly encoded UTM parameters
One-click presets for Google, Facebook, Email, and more
Real-time URL preview as you type
Copy the tagged URL instantly

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The short version

What is UTM Builder?

UTM (Urchin Tracking Module) parameters are tags added to the end of a URL that let analytics tools like Google Analytics track exactly where your traffic comes from.

The UTM Builder by SlapMyWeb lets you generate properly formatted UTM-tagged URLs in seconds. Just enter your destination URL, fill in the source, medium, and campaign name, and the tool builds the complete tagged URL in real-time. One-click presets for Google Ads, Facebook, Email, and social platforms make it even faster.

UTM Builder showing a worked example — Build UTM-tagged campaign URLs with presets for Google Ads, Facebook, email and more. — UTM Builder with the built-in example loaded. Free, no sign-up, and the result appears as you type.

Step by step

How to use UTM Builder

1
Enter your destination URL
Paste the landing page URL you want to track. This is the page users will land on when they click your campaign link.
2
Fill in UTM parameters
Enter the source (where traffic comes from), medium (type of traffic like cpc or email), and campaign name. Optionally add term and content for more granular tracking.
3
Use presets for common platforms
Click Google Ads, Facebook, Email, Twitter, LinkedIn, or Instagram to auto-fill the source and medium fields with industry-standard values.
4
Copy your tagged URL
The tool generates the URL in real-time. Click the copy button and use it in your ads, emails, or social posts.

What's inside

Everything this tool
does for you

Real-time URL generation as you type
One-click presets for 6 major platforms
Proper URL encoding of all parameters
Supports all 5 UTM parameters (source, medium, campaign, term, content)
Highlights UTM parameters in the output for easy reading
Instant copy to clipboard
Works with any URL including those with existing query strings

Understand the result

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Questions

Frequently asked questions

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