Choose a measurement approach by the outcome you need, the evidence available and the person who will maintain it.
These ten comparisons explain technical and service decisions. For a missing event or reporting discrepancy in an existing setup, start with our troubleshooting guides and worksheets.
Written by Track & Optimize, a provider of tracking diagnostics and separately scoped implementation. These are source-backed decision guides, not independent reviews, product rankings or firsthand tests. We recommend internal work and alternatives where they fit.
01 / DECISION GUIDE
Google tag vs Google Tag Manager: choose by ownership
Compare direct Google tagging and GTM by release ownership, destinations, migration risks and the evidence needed for a reliable event setup.
Read the comparison02 / DECISION GUIDE
Browser vs server-side tracking: compare the data paths
Compare browser collection and server-side routing, including source evidence, hosting, maintenance, privacy behavior and practical acceptance checks.
Read the comparison03 / DECISION GUIDE
Google Ads conversion tag vs GA4 import
Choose between native Google Ads measurement and GA4-based conversions by capabilities, event ownership, duplicate outcomes and campaign goal settings.
Read the comparison04 / DECISION GUIDE
Shopify app pixels vs custom pixels
Compare Shopify app and custom pixels by event coverage, sandbox limits, maintenance, privacy configuration and safe testing before changing your store.
Read the comparison05 / DECISION GUIDE
Shopify Meta Pixel alone vs Pixel plus Conversions API
Understand Shopify's Meta sharing paths, server purchase delivery, overlapping senders and the evidence to review before adding another tracking integration.
Read the comparison06 / DECISION GUIDE
Shopify Analytics vs GA4: match the report to the decision
Choose reports for orders, web funnels and acquisition. Account for Shopify's 2026 session update and compare definitions before interpreting differences.
Read the comparison07 / DECISION GUIDE
Enhanced conversions for web vs leads
Compare online conversion matching and later lead-outcome imports by milestone, data readiness, CRM ownership and the evidence needed for implementation.
Read the comparison08 / DECISION GUIDE
Server-side GTM vs a direct API integration
Compare container routing and application-owned event delivery by source evidence, failure handling, maintenance and destination-specific validation.
Read the comparison09 / DECISION GUIDE
Basic vs advanced Google consent mode
Compare tag loading and denied-state behavior in basic and advanced Google consent mode, with a state-based test plan and clear technical limits.
Read the comparison10 / DECISION GUIDE
DIY tracking checks vs a diagnostic vs implementation
Decide when to investigate tracking yourself, buy a scoped diagnostic or commission implementation. Includes our US$195 scope and who may not need paid help.
Read the comparison