Best Analytics Tools Stack in 2025
You can't improve what you don't measure. This stack covers every layer of analytics from web traffic to user behavior to production monitoring.
Open source product analytics
Self-hostable analytics, feature flags, session recordings, and A/B testing in one platform.
Privacy-friendly analytics
Simple, open-source web analytics. No cookies, GDPR compliant, and lightweight script.
Web analytics by Google
Free, powerful web analytics. Track traffic, conversions, and user behavior across your sites.
Heatmaps and session recordings
Understand user behavior with heatmaps, session recordings, and feedback surveys.
Digital analytics platform
Enterprise product analytics with powerful cohort analysis and behavioral targeting.
Product analytics platform
Track user behavior and product usage. Powerful funnel analysis and retention reports.
Cloud monitoring and security
Full-stack monitoring, APM, and security for cloud infrastructure. The industry standard for engineering teams who need visibility into production systems.
Frequently Asked Questions
Do I need both PostHog and Google Analytics?
They serve different purposes. Google Analytics tracks marketing/SEO traffic. PostHog tracks user behavior inside your product. Most SaaS teams need both.
What is the best privacy-friendly analytics stack?
Plausible (web analytics, no cookies) + PostHog self-hosted (product analytics, your data). This combination gives you full analytics without touching a cookie consent banner.
When do I need Datadog vs Sentry?
Sentry is for catching application errors. Datadog is for monitoring infrastructure health, performance metrics, and security across your entire stack. Most early-stage teams need Sentry first.
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