Web Analytics Services: GA4, Attribution and Server-Side Tracking

GA4 that connects with your CRM. Attribution modeling that justifies budgets. Dashboards showing revenue, not pageviews. First-party data, GDPR compliant.

Audit my tracking View capabilities
  • Revenue Attribution
How measurement works: first-party collection, attribution model, revenue dashboards, hypotheses, experiments and evidence-based decision Every experiment feeds the next one 01 · Collection First-party events 02 · Model Attribution andsessions 03 · Dashboards Revenue, not pageviews 04 · Hypothesis What to change andwhy 05 · Experiment Rigorous A/B tests 06 · Decision Your team chooseswith evidence
  1. 01 · Collection First-party events
  2. 02 · Model Attribution and sessions
  3. 03 · Dashboards Revenue, not page views
  4. 04 · Hypothesis What to change and why
  5. 05 · Experiment Rigorous A/B tests
  6. 06 · Decision Your team chooses with evidence
  7. Every experiment feeds the next one
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Definition

Why server-side tracking in 2026?

Ad blockers block 30-40% of your client-side tracking. iOS 14+ limits cookies. The future is first-party data: GTM server-side sends data from your domain, not from gtm.js.

Server-side lets you: clean and enrich data before sending to GA4, control exactly what gets sent to third parties (privacy), and maintain tracking with blockers. It's the foundation for a serious first-party data strategy and the starting point for any CRO program. We measure kiwop.com itself with self-hosted Plausible: first-party, cookieless analytics on our own server.

In numbers

Impact of Correct Analytics

What our clients discover.

  • +30% Budget efficiency
  • 100% Validated data
  • 2h→5min Reporting time
  • GDPR Compliance

Why

GA4, Server-Side, Attribution

Analytics that connects with revenue

We don't measure pageviews. We measure revenue per channel. GA4 configured correctly, server-side tracking for first-party data, CRM integration for marketing attribution to closed sale. Dashboards the CFO understands.

gtm/ecommerce-tracking.js
// GA4 Enhanced E-commerce
dataLayer.push({
event: "purchase",
ecommerce: {
transaction_id: order.id,
value: order.total,
items: order.products
}
});
  • Server-side GA4
  • GDPR ✓ Consent
  • Multi-touch Attribution

Deliverables

Service Deliverables

What you receive in every analytics project.

  • Current tracking audit (20+ page document)
  • GA4 configuration with custom events
  • GTM Server-Side (first-party data)
  • Attribution model configured
  • Automated Looker Studio dashboard
  • Consent Mode v2 implemented
  • Complete technical documentation
  • GDPR tracking policy

Summary

For the CEO

The business value of correct analytics.

80% of GA4 configurations we audit have incorrect data: duplicate conversions, misconfigured events, no CRM integration. Decisions based on incorrect data = money lost.

Correct analytics means: knowing which channels generate real revenue (not just leads), justifying marketing budgets with data the CFO accepts, and GDPR compliance without losing insights.

The ROI is direct: reallocate budget from non-converting channels to converting ones, reduce manual reporting hours, and have confidence in data-driven decisions.

  • +30% Budget efficiency
  • Revenue Not pageviews
  • GDPR Compliant

For the CTO

For the CTO

Analytics technical architecture.

GA4 + GTM Server-Side: First-party cookies from your domain. Ad blocker bypass without violating privacy. Full control over what data leaves your server. Cloud Run or App Engine for the container.

BigQuery export for raw data: unlimited retention (GA4 limits to 14 months), SQL queries for advanced analysis, foundation for ML/AI. Looker Studio connected for self-service dashboards.

Consent Mode v2: respects opt-out, activates conversion modeling for users without consent. CMP (Cookiebot, OneTrust) integrated with GTM. Auditable for DPO.

Technologies

  • GTM Server-Side on Cloud Run
  • BigQuery export with unlimited retention
  • Consent Mode v2 + Enhanced Conversions
  • Looker Studio with alerts
  • CRM integration (HubSpot, Salesforce)

What's included

Web Analytics Services

Capabilities we implement.

  • GA4 Audit and Migration: Current configuration review, gap identification, complete migration.
  • Server-Side Tracking: GTM Server-Side on Google Cloud. First-party cookies, ad blocker bypass.
  • Attribution and CRM Integration: GA4-CRM connection. Lead tracking to closed sale.
  • Dashboards and Reports: Looker Studio connected to GA4 + BigQuery + CRM. Automated KPIs.
  • Consent Mode and GDPR: Consent Mode v2 implementation. Integrated CMP. Legal audit.
  • BigQuery and Data Warehouse: Raw data export for advanced analysis and ML/AI, the foundation of data engineering.

Who it is for

Is It for You?

Advanced analytics makes sense if you're going to make data-driven decisions.

Who it's for

  • Companies depending on data for marketing and product decisions.
  • E-commerce or SaaS with significant paid media investment.
  • Organizations with strict GDPR compliance requirements.
  • Teams wanting to understand the complete customer journey.
  • Businesses ready to migrate from client-side to server-side tracking.

Who it's not for

  • Sites with very low traffic where basic analytics suffices.
  • Companies that won't act on the data.
  • Organizations without budget for GTM server-side.
  • If basic GA4 covers all your current needs.
  • Businesses where decision cycle doesn't require deep analysis.

Risks and how we cover them

Risk Mitigation

How we protect your analytics investment.

  1. 01

    Incorrect data post-migration

    Mitigation

    Exhaustive pre and post-launch validation. Dual tracking period. 50+ point checklist.

  2. 02

    Data loss from ad blockers

    Mitigation

    Server-side tracking recovers 30-40% of lost data. First-party cookies from your domain.

  3. 03

    GDPR non-compliance

    Mitigation

    Consent Mode v2 implemented. CMP audited. DPO documentation. Full control over third-party data.

  4. 04

    Team can't use dashboards

    Mitigation

    Training included. Usage documentation. Dashboards designed for non-technical users.

  5. 05

    Server-side infrastructure cost

    Mitigation

    Cost estimation upfront. Typically €20-100/month. Positive ROI if you recover +10% conversions.

The proof

+35% Data Recovered

Fashion e-commerce losing 35% of conversions due to ad blockers. We implemented GTM Server-Side with first-party cookies, Consent Mode v2, and conversion modeling. Result: complete recovery of lost data, reallocation of €200K in paid budget based on real attribution.

  • Data recovered 35%
  • Reporting time reduction 95%
  • Reliability 100%

How we work

Implementation Process

From audit to dashboards in 4-6 weeks.

  1. 01

    Audit and discovery

    Current tracking analysis, customer journey mapping, key events and conversions definition.

    Week 1
  2. 02

    Architecture and implementation

    Data layer design, GA4/GTM configuration, event implementation. Consent Mode.

    Week 2-4
  3. 03

    Validation and testing

    Exhaustive data validation. Dual tracking period. Discrepancy correction.

    Week 4-5
  4. 04

    Dashboards and training

    Dashboard creation, alert configuration, documentation. Team training.

    Week 5-6

Technologies

Analytics Stack

Tools we master.

  • Google Analytics 4
  • Google Tag Manager
  • GTM Server-Side
  • BigQuery
  • Looker Studio
  • Segment
  • Mixpanel
  • Amplitude
  • HubSpot
  • Salesforce
  • Consent Mode v2
  • Enhanced Conversions

What's included

Why Invest in Advanced Analytics

Data that justifies every marketing euro.

  • Complete project: GA4 setup, server-side, attribution and dashboards
  • Optional maintenance: ongoing reporting and optimization
  • Typical ROI: recover +10% lost conversions
  • No lock-in: dashboards are yours

FAQ

Frequently Asked Questions

What decision-makers ask.

Is my current tracking wrong?

Probably. 80% of GA4 configurations we audit have: duplicate events, misconfigured conversions, or missing critical event tracking. A 2h audit identifies the gaps.

Do I need server-side tracking?

Yes, if: you have a tech audience (high ad blocker usage), you do serious paid media (need precise data), or have strict GDPR requirements. For others, well-configured client-side with Consent Mode suffices.

How do you integrate with our CRM?

GA4 - BigQuery - your CRM via Zapier/Make/native integration. Or offline conversion import from CRM to GA4/Google Ads. Result: attribution to closed sale.

How do you comply with GDPR?

Three pillars: Consent Mode v2 implemented (respects opt-out), server-side giving you control over outgoing data, and legal documentation of data flows. We audit your CMP.

What about users who don't give consent?

Google offers conversion modeling to estimate behavior of users without consent. Consent Mode v2 activates this automatically. We complement with server-side analysis.

How much does server-side infrastructure cost?

Typically €20-100/month on Google Cloud depending on traffic. Positive ROI if you recover +10% of conversions you were losing to ad blockers.

Can I still use Universal Analytics?

No. Google discontinued UA in July 2023. If you haven't migrated to GA4, it's urgent. You're losing historical data that can't be recovered.

How long does implementation take?

Basic GA4: 2-3 weeks. With server-side and CRM: 4-6 weeks. Enterprise with BigQuery and advanced dashboards: 6-8 weeks. Includes training.

Next step

Do You Trust Your Data?

Free integrity validation. We audit your GA4/GTM configuration. If the data lies, strategy fails. Report in 48h.

Request validation
  • No commitment
  • Response in 24h
  • Custom proposal

Case studies

Projects where we put it to work

ToolsGroup
Enterprise & Growth

ToolsGroup

+32% MQLs generated
+19% Organic conversion
View case
Nexus Energía
Web Development & CRO

Nexus Energía

+21% Non-brand organic traffic
-17% Services bounce rate
View case
Circuit de Catalunya
Paid Media & Performance

Circuit de Barcelona-Catalunya

6.2x Main campaign ROAS
-18% CPA vs previous period
View case
Last updated: July 2026

Let's talk.

Initial technical consultation

AI, security and performance. Diagnosis with phased proposal.

  • NDA available
  • Response <24h
  • Phased proposal

Your first meeting is with a Solutions Architect, not a salesperson.

Request diagnosis