Clarvivo

Free tool by Clarvivo · no login

Compare Reddit Ads clicks with GA4 traffic

Use matching Reddit Ads and GA4 exports to find whether Reddit clicks are arriving as measurable sessions or disappearing before analytics can record them.

Reddit Ads and GA4 traffic exports

Use matching reporting dates and timezone. The check compares Reddit clicks with GA4 sessions attributed to Reddit traffic.

This tool answers: Is Reddit sending clicks that GA4 never sees as sessions?

Enable JavaScript to run the check — the diagnosis itself is free and needs no account.

Why this happens

Reddit Ads can look like a strong traffic source in its own dashboard and almost invisible in GA4. Part of that is expected: Reddit traffic is mostly mobile and in-app, ad blockers are common, and many users bounce quickly. But a gap that's too large usually means Reddit visits are being recorded under another source, or not at all.

The most common culprits are missing or inconsistent UTMs (Reddit doesn't add them for you), the in-app browser stripping parameters, and consent banners that block GA4 before the visitor engages. Each one makes Reddit look worse than it is, and makes the decision to cut the budget look rational.

This analyzer compares Reddit's reported clicks with GA4 sessions attributed to Reddit, over the same dates, and tells you whether the gap is worth investigating.

Next checks

These answer the questions this one tends to raise.

How this check works

So you can trust the result — and your developer can verify it.

  1. Upload a Reddit Ads export and a GA4 export

    The Reddit file needs Clicks, Link clicks or Outbound clicks. The GA4 Traffic acquisition export needs Session source / medium and Sessions, for matching dates and timezone.

  2. We find Reddit traffic in GA4

    We sum sessions from GA4 rows whose source mentions Reddit and whose medium is paid, cpc or social. Reddit visits filed as reddit.com / referral are not counted, so if they're all you have, the result shows no matching traffic. That usually means UTMs are missing.

  3. We measure the gap

    A difference of more than 50% between clicks and sessions is flagged with likely causes; below that, the ratio is reported as a baseline.

Common causes and fixes

No UTMs on Reddit ads
Reddit doesn't auto-tag destination URLs with UTMs. Without utm_source=reddit, GA4 files visits under referral, Direct or (not set). Add UTMs to every Reddit ad URL.
Inconsistent source values
reddit, Reddit, reddit.com and redditads become separate rows in GA4. Standardise on one value.
In-app browser drops parameters
Some in-app browsers and redirects strip query parameters. Run the UTM Loss Detector on the ad URL.
Consent and ad blockers
Reddit audiences block trackers at high rates. Expect a gap; investigate when it suddenly widens.

Frequently asked questions

Does Reddit add UTMs automatically?
Reddit adds its own click ID (rdt_cid) for the Reddit Pixel, but not UTMs for GA4. You need to add UTM parameters yourself.
Why is Reddit traffic in GA4 under referral?
Because visits without UTMs are classified by their referrer, which is reddit.com. Add utm_medium=paid_social (or cpc) so they're classified as paid.
What gap should I expect?
There's no fixed number. The tool treats a gap above 50% as worth investigating and otherwise records your baseline.
Can it check the Reddit Pixel?
No, this uses exports. Use the Reddit Pixel Checker and Reddit Click ID Checker for browser-side checks.
Is my data stored?
No. The exports are parsed for the result and findings expire after 7 days.

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What this tool reads, and what it keeps