Analytics tools for ecommerce and marketing

A collection of free calculators, checklists and generators for GA4, GTM, campaigns, BI, Data Governance and AI. All tools run in your browser - no registration, no limits.

Quick choice

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Analytics & Tracking

Tools for configuring tracking and data analysis in GA4, Piwik PRO and GTM.

Web Analytics resources hub

From GA4 audit to server-side: tools, checklists and implementation links in one place.

  • Step-by-step order
  • Tools and services
  • GA4 / GTM / Piwik PRO

GA4 Events Encyclopedia

54 events with documentation, code examples and search - quick reference for implementation and audits.

  • 54 events
  • Code examples
  • Search

GA4 Configuration Auditor

Structured self-assessment: 29 core and 5 optional ecommerce questions with score and priorities.

  • 29+5 questions
  • Score %
  • Report export

GA4 Post-Audit Repair Pack

An XLSX workbook for managing fixes after a GA4 self-assessment or audit, with priorities, owners, acceptance tests and a change log.

  • 34 checks
  • 12 acceptance tests
  • 15 USD

Consent Mode mode selector

Not sure Basic or Advanced? Six questions on Ads budget, GDPR and measurement goals - then a mode recommendation.

  • Six context questions
  • Basic or Advanced
  • Link to code generator

Consent Mode v2 code generator

Ready JavaScript: consent default, CMP consent update and integration hooks for Cookiebot, Usercentrics and more.

  • gtag and GTM Consent Initialization
  • Basic and Advanced
  • 9 CMP presets

Consent & Measurement hub

One place: checklist, mode selector, code generator, CMP catalog and Basic vs Advanced comparison.

  • Checklists and audits
  • All Consent Mode tools
  • Implementation offer

Consent Mode Basic vs Advanced

Compare Consent Mode v2 modes: tag loading, cookieless pings, conversion modeling and selection guide for GA4 and Google Ads.

  • Basic vs Advanced matrix
  • Four v2 consent signals
  • Scenario recommendations

Meta Pixel vs Google Ads

GTM implementation guide for conversion tags: dataLayer, Consent Mode, Enhanced Conversions, CAPI and Ads vs GA4 gaps.

  • Google Ads vs Meta matrix
  • Shared GTM layer
  • E-commerce and lead gen scenarios

Google Ads and Enhanced Conversions Checklist

Self-assessment for Ads conversions: Primary actions, Consent Mode, user_data, GTM tests and GA4 reconciliation. Score % and priorities.

  • 18 checks in 4 categories
  • Enhanced Conversions for Web
  • Copy report to clipboard

ChatGPT Ads hub

ChatGPT Ads in Poland: ad format, techniques, comparison with Google Ads and Meta Ads, and first-test practices.

  • How Ads Manager works
  • Google and Meta comparison
  • First-test checklist

CMP platform catalog

Cookiebot, OneTrust, Didomi, Usercentrics and four more - profiles, pricing and GTM integration notes.

  • Consent Mode v2 and TCF 2.2
  • GTM and GA4 integration
  • Platform selector wizard

Consent Mode v2 Checklist

Assess CMP readiness, Consent Mode v2 defaults, and GA4, GTM and Piwik PRO integration. Percentage score and prioritized recommendations.

  • 15 checks + 3 optional Piwik PRO checks
  • Yes / partial / no answers
  • Copy report to clipboard

GTM configuration checklist

16 items: container, Consent Mode, GA4 tags, ecommerce and Preview testing before publish.

Server-side tagging checklist

GTM SS architecture, first-party subdomain, Meta CAPI, consent routing and monitoring.

Web analytics solutions catalog

Eight web and product analytics platforms - profiles with pricing, pros and cons.

  • GA4, Piwik PRO, Matomo, Amplitude
  • Mixpanel, Adobe, PostHog, Plausible
  • Platform selector wizard

Server-side solutions catalog

7 GTM Server-Side hosting and edge tagging platforms: Stape.io, Google Cloud, Cloudflare Zaraz and more.

  • Managed hosting and self-hosted
  • CAPI, Consent Mode, first-party
  • Solution selector wizard

Web Analytics Solutions Selector

Seven questions on goals, budget and privacy - then three platform suggestions (GA4, Piwik PRO, Amplitude…).

  • 7 questions on goals and stack
  • Top 3 recommendations
  • Link to full catalog

GA4 / Piwik PRO / Amplitude Comparison

Editorial comparison of analytics platforms: privacy, pricing, data retention, product analytics and selection recommendations.

  • Pricing and licensing
  • Feature matrix
  • Scenario recommendations

GA4 Event Taxonomy Planner

Design a consistent event and parameter dictionary before GTM implementation. E-commerce, lead gen and SaaS templates.

  • snake_case name validation
  • Per-event parameter editor
  • CSV, JSON and Markdown export

GA4 ↔ Piwik PRO Event Mapping

Reference table of 39 GA4 events and Piwik PRO equivalents: e-commerce (current API), lead lifecycle, Goals, Site Search, video, share and content.

  • Recommended + Enhanced Measurement
  • Implementation status checkboxes
  • CSV, JSON and Markdown export

GA4 ↔ Amplitude Event Mapping

Reference table of 34 GA4 events and Amplitude equivalents: logEvent, Revenue API, autocapture and event properties.

  • E-commerce and product analytics
  • Filters and implementation status
  • CSV, JSON and Markdown export

Server-Side Cost Calculator

Estimated monthly cost for Stape, Taggrs, Addingwell, GCP Cloud Run and Cloudflare Zaraz.

  • Requests and container count
  • EU hosting priority
  • Link to SSC catalog

Measurement Stack Selector

Pick stack layers first (analytics, CMP, SSC, BI, replay), then jump to the right selector.

  • 7 questions on business and privacy
  • Consent Mode recommendation
  • CTAs to existing selectors

Attribution Simulator

Compare attribution models (Last Click, First Click, Linear, Time-Decay) and see how they affect value assigned to marketing channels.

  • Build your own customer path
  • ROI per channel calculator
  • Export to CSV

BigQuery Calculator

Estimate monthly and annual costs of exporting GA4 data to BigQuery based on traffic and data retention.

  • Storage cost calculation
  • Query cost estimation
  • Plan comparison

UTM / PK Link Creator

Generate links with tracking parameters for Google Analytics 4 (UTM) and Piwik PRO (PK). Tag campaigns with one click.

  • Templates for popular sources
  • Generated links history
  • UTM + PK mode combined

dataLayer Generator

Generate ready-to-use dataLayer code for GTM. GA4 Ecommerce, custom events, forms and user data with SHA256 hashing.

  • All GA4 Ecommerce events
  • Custom events with parameters
  • Enhanced Conversions (hashing)

Funnel Calculator

Paste an event export from GA4 and build a conversion funnel visualization with drop-off and conversion rate calculations.

  • CSV import from GA4
  • Funnel visualization
  • Export to PNG

Performance & ROI

Calculators for ad campaign profitability and customer value.

Ecommerce & Testing

Tools for margin, pricing and A/B test calculations.

CRM and marketing automation

Connect web measurement with CRM without double-counting leads or mixing attribution models.

AI Tools

AI model catalog, prompt generator, model selector and ROI calculator for AI implementation.

Business Intelligence

Reporting platform and data layer - marketing data hub, BI catalog and Tableau / Power BI / Looker comparison.

Data Governance

Tools to assess and build data management in your organization.

Need help with analytics?

I offer consulting, audits and implementations for GA4, Piwik PRO, GTM, and dashboards in Looker Studio and Power BI.

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