Tracking & Data

    Clean data. Right decisions.

    Bad tracking doesn't just cost you data - it costs you revenue.

    Get tracking analysis
    • Since 2019
    • 150+ Migrations and Relaunches
    • Official Shopify Plus Partner
    The Problem

    Why is browser tracking no longer enough?

    iOS 14, cookie blockers, and ad blockers are destroying classic pixel tracking.

    iOS 14+ Data Loss

    Apple's App Tracking Transparency has massively restricted client-side Meta tracking. The order still happens, it just no longer arrives at the platform in full.

    Ad Blockers

    Up to 40% of users completely block browser pixels. For those sessions, no event is created at all.

    Cookie Restrictions

    Safari and Firefox limit third-party cookies to a few hours. Returning visitors are therefore counted as new users.

    Wrong ROAS Values

    Under-reported conversions lead to wrong budget decisions. The more budget depends on those numbers, the more expensive every mismeasurement gets.

    Server Side Tracking

    What does server-side tracking deliver?

    Server-side tracking sends conversion data directly from your server to Meta, Google, and other platforms.

    Higher Match Rate

    Server events match significantly more users - typically 80-95% instead of 40-60%. The platform can attribute more purchases back to the campaign that produced them.

    Browser Independent

    Ad blockers and cookie restrictions have no impact, because the event leaves your store via your server instead of the user's browser.

    Better Campaign Optimization

    Meta and Google receive more complete signals. If part of the purchases is missing, the algorithms optimise against a distorted picture.

    Scope of Services

    What belongs in a complete tracking setup?

    01

    Tracking Audit

    Analysis of the existing setup: which tags, pixels and apps are active, which events measure correctly, which are missing and which count twice.

    02

    Google Tag Manager

    Clean GTM setup with data layer. The tag manager becomes the central control layer for tags, triggers and events, instead of every tool producing its own numbers.

    03

    GA4 Setup

    Complete GA4 implementation with the relevant e-commerce events along the funnel: product view, add to cart, checkout start and purchase.

    04

    Meta Conversions API

    Server-side Meta tracking. Conversion signals go straight from the server to Meta so they do not get stuck on ad blockers and browser restrictions.

    05

    Google Ads & More

    Server-side tagging for all channels. Every ad channel carrying budget gets the same signal quality.

    06

    Quality Assurance

    Verification of all events and documentation. Otherwise nobody can later trace which event fires where.

    Tech Stack

    Which tracking tools do we use?

    Google Tag Manager

    Client-side and server-side GTM as the central control layer

    GA4

    Complete e-commerce tracking, event-based through to purchase

    Meta Conversions API

    Server-side event tracking for more reliable conversion signals

    Server-Side GTM

    Dedicated sGTM infrastructure for the handoff to the ad channels

    Decisions based on more complete data

    More purchases attributed

    Server-side signals close measurement gaps caused by browser and cookie restrictions.

    Better campaigns

    Meta and Google optimise with more complete conversion signals instead of a distorted picture.

    Transparent measurement

    Events, consent states and data flows are tested clearly and documented.

    Process

    How does a tracking project run with us?

    1. 01

      Take inventory

      We record which tags, pixels, apps and events are actually active in the store. With setups that grew over the years, the resulting list usually surprises the team.

    2. 02

      Put the numbers side by side

      Orders in Shopify, events in GA4 and the conversions reported by Meta and Google Ads go next to each other. Only that gap shows where signals are lost.

    3. 03

      Define events and parameters

      Before implementation we define centrally what is measured along the funnel - product view, add to cart, checkout start and purchase - and which parameters have to travel with it.

    4. 04

      Implement with consent logic

      Tag manager, GA4 and the server-side connections are built, and the consent status is passed through. A tracking concept without consent logic regularly falls apart in operation.

    5. 05

      Verify and document

      Every event is checked and written down: what fires where and when. That documentation is why discrepancies stay explainable later instead of turning into guesswork.

    Fit

    Is a tracking setup your next step right now?

    Then you are starting in the right place

    Platform and store contradict each other

    Meta and Google report clearly fewer conversions than were actually ordered in Shopify. Under-reported conversions lead to wrong ROAS values.

    You are scaling paid budgets

    The more budget depends on the reported numbers, the more expensive every mismeasurement gets. Budget decisions on incomplete signals cost money directly.

    Your tracking has grown historically

    Tags, pixels and events were added over the years without anyone cleaning up. Nobody on the team can still say what fires which event.

    Your setup is purely client-side

    Ad blockers, iOS 14+ and the cookie restrictions in Safari and Firefox hit exactly there. Browser tracking alone is no longer enough for that.

    Then something else will do more for you

    Consent is unresolved

    Without a solid CMP and Consent Mode v2 you are building measurement on a consent that does not hold. That belongs before the tracking setup.

    To consent & privacy

    The numbers are right, the revenue is not

    If your measurement is reliable and people still do not buy enough, the problem sits in the funnel and not in the data.

    To CRO & conversion optimisation

    Your setup is new and cleanly built

    If the events are verified and documented and this is only about maintenance and small adjustments, you do not need a new setup.

    To support & maintenance
    Engagement

    How can we work on tracking together?

    Whether you first want to know what your existing setup measures, need a complete setup, or want to go server-side - that gives three shapes of collaboration.

    Tracking audit

    Who it is for

    For stores whose numbers contradict each other across Shopify, GA4 and the ad platforms - without anyone being able to name the cause.

    What is included
    • Analysis of the existing setup
    • Reconciliation of events between store and platforms
    • Findings with a concrete route to a solution
    How it ends

    Ends with an overview of which events measure correctly, which are missing and which count twice.

    Tracking setup

    Who it is for

    For stores that do not want to patch tracking but rebuild it properly once.

    What is included
    • Google Tag Manager with a clean data layer
    • Complete GA4 implementation with e-commerce events
    • Meta Conversions API connected server-side
    How it ends

    Ends with verified events and documentation stating what fires where and when.

    Server-side tagging

    Who it is for

    For stores where ad blockers and cookie restrictions cost so much signal that campaign optimisation suffers.

    What is included
    • Dedicated sGTM infrastructure
    • Server-side tagging for the relevant channels
    • Quality assurance across all events
    How it ends

    Produces conversion signals that reach Meta and Google independently of browser restrictions.

    Brands with €950M+ GMV trust NICCOS

    Groundies logo
    MYCR7 logo
    Gusti Leder logo
    Smilodox logo
    Bikemailorder logo
    O'Neal logo
    Freiluftkind logo
    Sirocco logo
    Olakala logo
    CAT logo
    Deputy logo
    Heel logo
    Bloomingloft logo
    FRITZ! logo
    Prepmymeal logo
    Mintkind logo
    FAQ

    Common questions about tracking & analytics

    What is server-side tracking?

    With server-side tracking, conversion data goes to Meta, Google and other platforms directly from the server instead of from the user's browser. Ad blockers and cookie restrictions no longer apply at that point. The data layer in the store remains the source.

    Why do Meta and Google report fewer conversions than Shopify?

    Because classic pixel tracking runs in the browser. Apple's App Tracking Transparency, ad blockers and the shortened cookie lifetime in Safari and Firefox cut off part of the events. The order still happens - it just never arrives at the platform. So the algorithms simply do not see part of your purchases.

    Why do GA4 and the Shopify backend differ?

    A gap is normal. Because of consent requirements, ad blockers and browser restrictions, GA4 systematically measures less than the backend; a difference of 10 to 30 percent is common. GA4 numbers are therefore good for trends and channel comparisons, not as accounting truth. What matters is that you know the gap and can explain it.

    What changes about the match rate?

    Server events match significantly more users than pure browser tracking - typically 80 to 95 percent instead of 40 to 60 percent. That gives Meta and Google more complete signals for campaign optimisation. In the Olakala tracking project we saw 30 percent more tracked sessions on Shopify Plus through the server-side build compared with the previous setup.

    Does server-side tracking replace Google Tag Manager?

    No, it complements it. We use client-side and server-side GTM together: the data layer in the store stays the source, the handoff to the platforms runs through the server containers. The tag manager remains the central control layer for tags, triggers and events.

    What does consent have to do with the tracking setup?

    Consent is the precondition, tracking is what gets built on top. Without a solid CMP and Consent Mode v2 you are measuring on a consent that is not technically enforced. Both have to be planned together, because a tracking concept without consent logic regularly falls apart in operation. The consent side is covered separately under Consent & privacy.

    How do you make sure the setup is correct?

    Quality assurance comes at the end: all events are verified and documented. Without that documentation, nobody can later trace which event fires where, or why two systems show different numbers. What you get is checkable: an overview of which events measure correctly, which are missing and which count twice.

    How many conversions can't you see right now?

    We analyze your existing tracking for free.

    Last updated:

    Project start

    Let's grow together.

    Usually a response within 24 hours

    Talk directly to a strategy or tech senior

    No agency slide deck, just clear next steps

    Shopify Plus Partner certification

    Required fields

    When you submit, your request goes directly into the NICCOS process. No newsletter opt-in, no resale of contact data.

    NICCOS

    The page could not be loaded.

    Please reload the page. If an update has just gone live, this will load the latest version.