What are utm parameters?
utm parameters are campaign tags that marketers attach to links so their analytics can report where visitors came from. The name comes from Urchin Tracking Module, the software that became Google Analytics. There are five standard ones, all safe to delete, and links work identically without them.
The five tags
| Parameter | What it labels | Example |
|---|---|---|
utm_source | Where the link was placed | utm_source=newsletter |
utm_medium | The channel type | utm_medium=email |
utm_campaign | The campaign name | utm_campaign=spring_sale |
utm_term | The paid search keyword | utm_term=link+cleaner |
utm_content | Which variant or button | utm_content=footer_cta |
https://example.com/sale?utm_source=newsletter&utm_medium=email&utm_campaign=vip_list&utm_content=hero_buttonhttps://example.com/saleIf they don't identify me, why remove them?
Three reasons. First, they leak context about you to everyone you share with: utm_campaign=vip_list tells the whole group chat which mailing list you're on, and tags like utm_source=ig_web_copy_link announce exactly where you found something. Second, analytics platforms don't read them in isolation; they sit in the same URLs as click identifiers like fbclid and feed the same profiles. Third, they're clutter: a two-line URL where one line is advertising bookkeeping.
Unlike igsh or si, utm tags weren't built to trace individuals. They're the mildest thing a link cleaner removes. They're also the most common, which makes them the easiest habit to fix.
How to remove them
Delete every utm_ pair, or simply everything from the question mark on when the URL has nothing functional after it.
Frequently asked questions
Do utm parameters identify me personally?
Not by themselves. They label the campaign, not the person. But they reveal where you got a link, they can be arbitrarily specific, and analytics tools combine them with click IDs and cookies that do identify you.
Is it safe to delete utm parameters?
Completely. They are pure analytics labels. No page needs them to load.
Why do links from newsletters and apps always have them?
Because the sender wants credit. utm tags are how marketers measure which channel, campaign, or button drove each visit. That's also why the tags can be so revealing about where you found something.
