Get notified when your GA4 data breaks
This free tool monitors your GA4 properties daily and sends alerts when it detects significant data drops or tracking issues. No more nasty surprises when checking your reports.
Your data stays private - only read-only access with secure token storage
Comprehensive GA4 Monitoring
Monitor metrics, events, and dimensions to ensure your GA4 is collecting data correctly and maintain complete confidence in your analytics.
Metric Drop Detection
Intelligent monitoring of all metrics to detect significant drops in traffic, conversions, and other key performance indicators.
Event Health Monitoring
Track event completions and ensure critical user interactions are being properly recorded in your GA4 property.
Dimension Health Alerts
Monitor dimensions like source/medium, item ID, and campaign names for increases in 'not set' or null values.
Data Protection
Safeguard your analytics and make data-driven decisions with confidence, knowing your GA4 implementation is working correctly.
Quick Setup
Connect your GA4 properties with just a few clicks and start monitoring immediately with the proven algorithm.
Client Protection
Protect your clients' GA4 properties and demonstrate the value of your services with detailed alert reports.
Simple & Effective Process
The battle-tested algorithm detects anomalies in your GA4 data and alerts you immediately, helping you catch issues before they impact your reports.
Connect Your GA4
Link your Google Analytics account and select which properties to monitor. The setup takes just a few minutes.
Daily Monitoring
The tool analyzes your metrics, events, and dimensions daily to detect unusual patterns and significant drops using a specialized algorithm.
Instant Alerts
Receive immediate email alerts with detailed information when issues are detected, so you can fix problems before they impact your reports.
Ready to protect your GA4 data?
Data Privacy & Security
GA4 Alerts was built by an analytics professional who understands the importance of data privacy. Here's how the tool handles your Google Analytics data.
What the tool can access
Read-only access to the Google Analytics data of properties you explicitly connect
Daily automated requests to the GA4 Data API based on your monitoring configuration
Analysis of data for significant drops or increases in null values compared to previous days
How your data is protected
Google authentication tokens are stored securely in Supabase using industry-standard encryption
Only aggregated summaries of analysis results are stored, not your raw GA4 data
You can revoke access at any time through your Google account or by deleting your account
From the creator:
"This tool started as a script I would setup for my clients in Google Apps Script as a way to mitigate against data loss for when any tracking issues arose. Now it's a tool anyone can use to do the same."