📊 Web analytics Open source Privacy ★★★★
Matomo
The closest OSS equivalent to GA4
Overview
Matomo (formerly Piwik) since 2007 offers GA4-like breadth—heatmaps, session recording, tag manager, A/B tests, funnels.
Self-host for 100% data ownership or use matomo.cloud; GA Universal import tool eases migration.
IP anonymization and opt-out built in—more complex than Plausible but feature-rich.
Scores
Privacy 4/5
Ease of use 3/5
Features 5/5
Value 4/5
Google Analytics — comparison
Closest functional substitute without Google ads integration—you configure consent; data stays yours when self-hosted.
Pros
- ✓ Nearest feature parity to GA4 among OSS
- ✓ Full ownership when self-hosted
- ✓ Large plugin ecosystem
- ✓ GA4 data import available
Cons & caveats
- − Heavier setup and ops than Plausible
- − Premium plugins cost on-prem
- − Higher server requirements
- − UI less polished in places
Best for
- GA4 feature preservation
- Large sites and ecommerce
- Strict compliance needs
Not ideal for
- Tiny blogs wanting one-line install
- Avoiding all server admin
Specs
- Pricing
- Free + paid — Core GPL free. Cloud from ~€19/month. Premium plugins extra on-prem.
- Difficulty
- Moderate
- Data location
- Self-host or Matomo Cloud (EU/US/Asia selectable).
- Platforms
- Self-hosted · Cloud
GA4 importerヒートマップタグマネージャーA/Bテスト
Migration from Google Analytics
- 1 Install Matomo or register matomo.cloud
- 2 Install tracking via Tag Manager or direct script
- 3 Optional: GA4 Importer plugin for historical data
- 4 Remove GA4 and rebuild goals/events in Matomo
Setup steps
- 1 Download Matomo or sign up for cloud
- 2 Install on PHP + MySQL/MariaDB stack
- 3 Run setup wizard for tracking snippet
- 4 Configure goals and custom dimensions