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PostHog Development

Professional PostHog development from experienced developers based in Graz, Austria.

PostHog is an all-in-one product analytics platform that combines product analytics, session recording, feature flags and A/B testing in a single tool. Its open-source core and self-hosting capability make PostHog particularly attractive for privacy-conscious companies.

At dectria, we use PostHog in production to analyze user behavior in our SaaS applications. We understand how users actually interact with the product — which features are used, where friction occurs and which changes deliver measurable improvements. Feature flags allow us to roll out new functionality in a controlled manner and validate it via A/B testing.

The key advantage over combining Mixpanel, Hotjar and LaunchDarkly: PostHog replaces all three tools, offers a GDPR-compliant self-hosting option and is open source at its core. This gives us full control over our clients' data — without dependency on US cloud services.

Official website

Capabilities

What We Build with PostHog

Product Analytics & Funnels Session Recording & Heatmaps Feature Flags & Remote Config A/B Testing & Experimentation Event Autocapture User Cohorts & Segmentation Self-Hosting (GDPR-Compliant) Data Pipelines & Webhooks API & SQL Access to Raw Data Group Analytics for B2B Products

Use Cases

Typical Use Cases

Product Optimization Through Data-Driven Decisions

Analysis of usage patterns, funnel drop-offs and feature adoption in SaaS products — with session recordings for qualitative insights and quantitative metrics for informed product decisions.

Controlled Feature Rollout

Gradual introduction of new features via feature flags with automatic success measurement through A/B tests — reduces release risk and enables data-driven go/no-go decisions.

GDPR-Compliant User Analytics

Self-hosted product analytics on your own infrastructure, where all user data stays in your own data center or within the EU — ideal for companies with strict data privacy requirements.

FAQ

PostHog FAQ

Why does dectria recommend PostHog over Google Analytics or Mixpanel?
PostHog combines product analytics, session recording, feature flags and A/B testing in one platform — typically replacing three to four separate tools. Additionally, the self-hosting option enables true GDPR compliance without sending user data to US servers. For SaaS products, PostHog is significantly more insightful than Google Analytics, which was primarily designed for marketing websites.
Can PostHog be self-hosted?
Yes, PostHog offers a complete self-hosting option via Docker and Kubernetes. We assist with setup on your own infrastructure or in an EU cloud. The self-hosted version includes all features of the cloud variant and gives you full control over your analytics data.
How does dectria integrate PostHog into existing applications?
Integration is done via the PostHog JavaScript SDK or the server-side API. Autocapture automatically tracks clicks, page views and form interactions. For more specific analytics, we implement custom events that precisely map your application's business logic. Integration typically takes just a few hours.

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