Marketing automation is only as good as the signals feeding it.
Ad platforms are AI optimization systems now. When conversion events break, GTM tags drift, or GA4 schemas change — your automation keeps spending, just toward the wrong outcomes.
data fairy is the autonomous agent that keeps your marketing signals trustworthy.
Data health score
Signal quality issues are degrading ad platform optimization and attribution reliability.
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purchase event missing on confirmation pageRevenue not attributed in GA4 or ad platforms.Critical
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page_view firing twice via GTM + gtagSessions and funnel data are inflated.High
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dataLayer present on all core templatesSolid baseline for event coverage.Passing
The signal layer your marketing stack depends on.
Most tools tell you something broke after the fact. data fairy owns the signal layer and keeps it clean — continuously, not just when you look.
When signals break, automation fails
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Ad platforms optimize on bad dataMeta, Google Ads, and TikTok are AI systems. Feed them corrupt conversion signals and they target the wrong users and waste your budget.
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GTM tags drift silentlyA single misconfigured trigger can kill your purchase event on every checkout for weeks before anyone notices.
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GA4 schemas change without warningEvents that worked yesterday break without alerting you. Attribution collapses, ROAS becomes meaningless.
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No one is watching the signal layerWithout dedicated ops, signal problems compound quietly while ad spend continues at full velocity.
How data fairy keeps signals clean
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Owns the signal layer continuouslyMonitors every event, tag, and conversion across your full stack — not just when you remember to look.
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Catches drift before ad platforms see itBroken purchase events, duplicate pageviews, misfired GTM tags — detected and explained before they corrupt your optimization.
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Makes data self-healingStep-by-step remediation guidance now; automated fixes as the agent matures. The loop closes without human intervention.
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Learns your signal baselineUnderstands what correct looks like for your site and stack — so it surfaces real anomalies, not noise.
Connect once. Keep signals clean forever.
data fairy monitors the signal layer in the background so your ad platform AI keeps getting what it needs.
Connect your stack
Link your GA4 property, GTM container, and ad accounts. data fairy maps your signal architecture from day one. No engineering setup required.
Continuous signal monitoring
data fairy crawls your pages, inspects every event, and verifies that conversion signals are flowing correctly to each platform — without you lifting a finger.
Self-healing in motion
Issues are caught and prioritized by business impact on your ad platform optimization. Fix them with guided steps — or let data fairy handle them automatically.
A reliability layer across every platform in your stack.
data fairy is modular. Each module owns signal quality for one platform. Start with what you use today — more are coming fast.
GTM Module
Audits your Google Tag Manager container for misfiring tags, broken triggers, redundant variables, and dataLayer conflicts. Catches issues before they affect downstream data.
GA4 Module
Monitors your GA4 implementation for missing events, broken conversions, and inconsistent tracking across page templates. Connects directly to your GA4 property for live data comparison.
Google Ads Module
Google Ads is an AI bidding system. It needs clean conversion signals to work. This module verifies that conversion actions are firing, Enhanced Conversions are configured, and your campaigns are optimizing on real data.
Meta Module
Meta's Advantage+ is only as good as the purchase signals you send it. This module audits your Pixel and Conversions API for duplicate events, missing purchase signals, and coverage gaps that degrade ROAS and audience quality.
TikTok Module
TikTok's Smart+ campaign AI depends on conversion signals just like every other ad platform. This module validates your Pixel and Events API to ensure purchase and lead events are firing correctly and campaign optimization isn't running blind.
See what a data fairy signal report looks like
Signal health score, prioritized findings, business impact on your ad automation, and clear next steps — not a wall of vague warnings.
Top findings
The order confirmation page loads, but no purchase event was observed. Revenue attribution in GA4 is incomplete, and ad platform conversion signals are missing.
GTM and a direct gtag.js call overlap on core page templates, inflating session counts and distorting engagement metrics used for audience segmentation.
For teams running marketing automation on data they can't afford to trust blindly.
The marketing stack is becoming an agent ecosystem. data fairy owns the signal layer those agents depend on.
Growth-stage marketing teams
You're scaling ad spend and relying on platform AI to optimize it. That only works if the conversion signals going in are accurate. data fairy keeps them that way.
E-commerce and DTC brands
Every broken purchase event means Meta and Google Ads are optimizing on incomplete data — degrading ROAS and audience quality in real time. data fairy catches it before spend compounds the problem.
Agencies managing client stacks
Signal quality issues in client implementations directly affect campaign performance and client trust. data fairy monitors continuously and surfaces problems before clients notice them on the dashboard.
Start free. Upgrade when you need more.
A Chrome extension today, with a full agent platform coming soon.
Fairy Lite
Real-time GA4 & GTM signal inspection in your browser.
- Chrome extension with real-time GA4 event inspection
- GTM tag & trigger validation
- Signal health score & risk-bucketed findings
- dataLayer push monitoring
- Safe & low-risk fix guidance
- Export findings as JSON
data fairy Pro
Your own signal agent trained on your site's GA4, GTM, and conversion flows.
- Everything in Fairy Lite
- Domain agent — trained on your GA4 events & GTM container
- GA4 Data API integration — compares live signals to historical baseline
- Continuous monitoring & alerting on signal drift
- Visual journey scanner — walks your funnels like a real user
- Unlimited audit reports
- Chat interface — ask questions about your signal layer
Fairy Godmother
Self-healing signals. One-click GTM fixes. White-glove measurement strategy.
- Everything in data fairy Pro
- One-click GTM fixes — fairy pushes signal fixes to your container
- Automated signal rollback if a deploy breaks conversion tracking
- Shadow CI/CD — test tagging changes before they reach production
- Cross-platform signal reconciliation (GA4, Ads, Meta, TikTok)
- Measurement strategy consulting via your fairy agent
- Priority support & onboarding
Self-healing signals. Automation that actually works.
Run a free scan and see exactly what data fairy finds in your signal layer. No setup, no credit card.