Free tools, deep guides, and practical writing on growth analytics, experimentation, and AI-ready data — built by Gregor Spielmann at Adasight.
21 guides · 3 free tools · 5 articles — all free, no account needed
Use these tools to diagnose, plan, and make the case for better analytics and experimentation. No email required, no account needed.
Find out which of the 5 stages of analytics maturity your organization is at — and get a concrete set of next steps to move forward.
Take the Assessment →How many users do you need before your experiment is statistically valid? Enter your baseline and expected uplift, get an instant answer.
Calculate Sample Size →Estimate the annual revenue impact of your experimentation program. Useful for making the internal case for investment.
Estimate ROI →98% of organizations report urgency to deploy AI. Only 13% say they're fully ready. The gap isn't in the models — it's in structured data, governed definitions, and trusted analytics context.
The Analytics Maturity Self-Assessment helps you understand exactly where you are — and what to fix first.
Start the Assessment →Ad-hoc reporting, no shared definitions, data used to explain the past
Consistent tracking, basic dashboards, analytics is reactive but reliable
Experimentation begins, but A/B tests are ad-hoc and hard to scale
Continuous experimentation, shared hypotheses, feedback loops
AI agents can act on trusted, governed, real-time data
Practical guides covering the full stack — from analytics infrastructure to running A/B tests at scale.
How to assess and evolve your experimentation program across five dimensions: velocity, quality, governance, tooling, and culture.
Read guide →A plain-English walkthrough of the five-stage analytics maturity model — from reactive reporting to AI-ready data foundations.
Read guide →A practical setup guide for D2C ecommerce teams using Amplitude — events taxonomy, conversion funnels, retention cohorts, and experimentation.
Read guide →What returns should you expect from a structured experimentation program at Seed, Series A, Series B, and growth stage? Benchmarks and breakdown.
Read guide →Growth Analytics Engine is a free resource by Adasight — an analytics and experimentation consultancy for scaling companies. We work with D2C ecommerce and SaaS teams to build the data foundations that make AI investments actually work.
Learn about Adasight →