Such a broad topic: to be summarised and presented in here.

User-centric

Web Performance & SEO

Technical

  • Sentry. Know when your applications raise exceptions. Records the context to ease the debugging.
  • OpenTracing. Collecting traces across (micro-)services.
  • Snyk. Find and fix vulnerabilities in your dependencies.

A/B testing

Dashboards

  • redash & Metabase. Open-source data dashboard with querying capabilities.