Know which link actually brought the visitor
Your analytics says 400 visits came “direct” — which is analytics-speak for “no idea”. The newsletter you sent, the Instagram bio link, the QR code on the poster, the partner's blog mention: without tagging, they all dissolve into that same fog. UTM parameters are the fix — five standardised tags appended to a URL that tell your analytics exactly where each click originated. This builder assembles them correctly, encodes the awkward characters, and keeps your campaign names consistent.
How to build a campaign URL
- Paste the destination page URL.
- Fill the big three: source (where: newsletter, instagram, partner-blog), medium (how: email, social, cpc, qr), campaign (why: spring_sale, launch-2026).
- Optionally add term (paid keyword) and content (which variant: header-link vs footer-link).
- Copy the finished URL and use it everywhere that campaign lives.
The taxonomy that keeps reports readable
UTM's power is also its trap: the parameters are free text, and analytics treats Email, email and E-mail as three different mediums, shattering one campaign into noise. Adopt three rules forever: lowercase everything, no spaces (use underscores or dashes, pick one), and reuse a fixed vocabulary for medium — email, social, cpc, display, qr, referral cover most lives. Source names the platform specifically (instagram, not social — that's the medium's job). Campaign names the initiative and survives the quarter: black-friday-2026 still means something in January.
Where UTMs belong — and where they're poison
- Tag: newsletters, social bios and posts, paid ads, QR codes, podcast show-notes, partner placements, email signatures.
- Never tag internal links (from your own page to your own page): each click restarts the session and corrupts attribution — the cardinal UTM sin.
- QR codes: always UTM the URL before generating the code (our QR Code Generator pairs perfectly) — print analytics exists only if you tag it.
- Long ugly URLs? The parameters survive link shorteners fine.
Reading the results
In GA4, Reports → Acquisition → Traffic acquisition splits sessions by your source/medium pairs; campaign and content live one drill-down deeper. The payoff compounds: after a quarter of disciplined tagging you stop guessing whether the newsletter outperforms Instagram — you know, per campaign, per link position. Marketing budgets follow links that prove themselves.
Five fields, one consistent habit, and “direct traffic” stops eating your insights.
Quick reference
| Property | Detail |
|---|---|
| Required | utm_source (where), utm_medium (how), utm_campaign (why) |
| Optional | utm_term (keyword), utm_content (variant) |
| Conventions | lowercase, no spaces, fixed medium vocabulary |
| Encoding | Special characters handled automatically |
| Never use on | Internal links within your own site |
| Reports in | GA4 → Acquisition → Traffic acquisition |
| Cost | Free, unlimited links |
Frequently asked questions
What's the difference between source and medium?
Source is the specific place (instagram, newsletter, partner-blog); medium is the channel type (social, email, referral). Together they form the source/medium pairs your analytics groups by — “instagram / social”, “newsletter / email”.
Why do my campaigns appear multiple times in analytics?
Inconsistent spelling — Email vs email vs E-Mail are three different values. Adopt all-lowercase, no-spaces naming and reuse exact strings. The builder preserves whatever you type, so the discipline is yours to keep.
Should I put UTM links in my site's own navigation?
Never. Internal UTMs restart the visitor's session and overwrite their true origin — the most common self-inflicted analytics wound. Tag only links that start outside your site.
Do UTM parameters affect SEO or page speed?
Neither. They're ignored by the page itself and by ranking algorithms; just ensure your canonical tag points to the clean URL so tagged variants don't index separately (standard CMS setups handle this).