Track GTM Changes with AI

When metrics change, you need to know if a GTM deployment caused it. Overlook automatically tracks your GTM changes and correlates them with performance shifts.

Automatic change log tracking included.

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Overlook tracking GTM changes

Analyze your GTM data now

Never wonder
'what changed?' again

GTM deployments can break tracking or website functionality. Overlook monitors your GTM containers and tells you when changes correlate with metric shifts.

Automatic tracking - Every GTM publish is logged with timestamp and version.

Metric correlation - 'Conversion rate dropped 25% after yesterday's GTM publish.'

Issue detection - Identify when GTM changes break tracking or functionality.

Alert on anomalies - Get notified when GTM changes affect performance.

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GTM change tracking in Overlook

Root cause analysis
with evidence

When conversion rate drops, you need to know if it's a GTM issue, an ad platform change, or something else. Overlook checks all your systems.

Multi-system analysis - Overlook checks GTM, ads, and analytics together.

Timeline view - See all changes across systems in chronological order.

Session recordings - Watch user sessions after GTM changes.

Verification - Confirm issues are fixed by checking post-deployment metrics.

Root cause analysis in Overlook

Part of your
complete change log

GTM is just one source of changes. Overlook also tracks Google Ads, Meta Ads, and other systems to give you the complete picture.

Google Ads changes - Bid adjustments, budget changes, campaign edits.

Meta Ads changes - Audience changes, creative swaps, budget updates.

Analytics correlation - Connect changes to GA4 metric shifts.

AI analysis - Overlook identifies which changes caused which effects.

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Complete change log in Overlook

Built by marketers who got tired of waiting

We've spent 10 years helping ecommerce companies with analytics and tracking. We've seen countless situations where a GTM change broke something and nobody knew for days.

We kept seeing the same problem: marketers asking 'did something change?' with no easy way to find out.

So we built Overlook - the analytics tool we always wished existed.

  • 10 years of Google Tag Manager experience
  • Thousands of GTM containers audited
  • Deep understanding of tracking best practices
  • Creators of the internet's largest instant analytics audit

We understand the chaos that tracking changes can cause. Join marketing teams who always know what changed.

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