Server-side tracking · managed service

GA4 sees less than you sell.
Get your data back.

Ad blockers and Safari block a serious share of your events. With first-party tracking served from your own subdomain, complete data reaches GA4, Meta and TikTok — from a single tag, fully managed by us.

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15–30%of events blocked today
1 taginstead of gtag+fbq+ttq
24–48huntil you're live
t.your-store.com
product_viewedGA4
product_added_to_cartGA4Meta
purchase (classic gtag)blocked by ad blocker
checkout_startedGA4MetaTikTok
checkout_completed · €489GA4AdsMetaTikTok
first-party · deduplicated · Consent Mode v2100% delivered

Distorted ROAS

Blocked conversions never reach the platforms — good campaigns look weak, and budget shifts to the wrong places.

Algorithms on truncated data

Smart Bidding and Advantage+ optimize on what they can see. If they see 70% of reality, they decide on 70% of reality.

Incomplete audiences

Remarketing and lookalikes lose exactly the visitors running ad blockers — often the segments with the most buying power.

The difference, in numbers

Same visits. Two realities.

Browser-based tracking loses whatever ad blockers and ITP block. First-party delivers almost everything — and your bidding algorithms finally start learning from reality.

Classic tracking (gtag / fbq / ttq)~70% of events
First-party from your own subdomain~100% delivered
GA4 Google Ads Meta CAPI TikTok Events
Case study — real data

We measured it. The difference is not theory.

Two Romanian ecommerce stores, managed in seenly, same month, same methodology: the REAL orders from the store platform, compared with what GA4 saw.

WITHOUT server-side
63%
of orders make it into GA4
  • 532 real orders in 30 days
  • GA4 saw only 333
  • 199 orders — over 33,000 lei — invisible to analytics and to the bidding algorithms
WITH server-side
100%
complete coverage
  • 847 real orders in 30 days
  • GA4 saw every single one — including events for orders cancelled later
  • Real ROAS and budget decisions run on complete numbers

Measured in July 2026 on accounts managed in seenly.ad — paid orders from the ecommerce platform vs transactions reported by GA4, same 30-day window. The store without server-side ran a classic gtag/GTM setup, correctly installed.

How it works

Live in 3 steps — we handle everything

1

Your own tracking subdomain

We set up a subdomain of your store (e.g. t.your-store.com) that serves the collection script — the browser treats it as part of your site, not as a third-party tracker.

2

One tag, every event

Product views, cart, checkout, orders — a single stream replaces gtag + fbq + ttq. On WooCommerce it's a module; on other platforms, a snippet.

3

Server-side routing with deduplication

Events reach GA4, Google Ads, Meta CAPI and the TikTok Events API with the correct per-platform names and fields — no duplicates, no extra scripts.

Bonus for seenly.ad customers: complete data in GA4 = accurate POAS and reconciliation in your report — and phone orders and back-office cancellations can be pushed into the ad platforms as well.

Getting started

A managed service, quoted on your volume

No multi-hundred-euro agency setups, no GTM container maintenance. Our server-side tracking partner sets it up and we connect to the data — live in 24–48h. You get a quote tailored to your volume before any activation.

Request an integration quote

Already have a seenly.ad account? Request the quote directly from Store Settings → Server-side tracking.

Frequently asked questions

Before you ask

What is first-party server-side tracking? +
Events on your site are sent from your store's own subdomain, not from third-party scripts. That gets them past ad blockers and browser restrictions; they are then routed server-side to GA4, Meta and TikTok, with automatic deduplication.
How much data am I losing right now? +
Typically 15–30% of events are blocked by ad blockers, Safari ITP and cookie restrictions. If you're a seenly.ad customer, you can see the exact gap in your report: real store orders vs what GA4 saw.
Do I need to change anything in GA4, Meta or TikTok? +
No. A single tag replaces gtag + fbq + ttq — events reach every platform with the correct names and fields, deduplicated. Consent (Consent Mode v2, Cookiebot, OneTrust…) is detected automatically.
Which store platforms does it work on? +
WooCommerce (dedicated module, 5 minutes), MerchantPro, Gomag, Shopify and any platform where you can add a snippet to every page. Everything is provisioned and managed by the seenly.ad team.

Your algorithms deserve complete data.

Live in 24–48h, fully managed by us. You get a quote before anything is activated.

Get started