Denys Pankov
CRO and growth engineer for Shopify, eCommerce, and SaaS brands at $2M–$50M+ in revenue. Founder of acceleroi. CXL Certified CRO Expert. Certified Product Manager.
About
Denys (Denis) is the founder of acceleroi — a growth agency that combines conversion optimization, retention email, LTV modelling, and SEO/AEO for 7- and 8-figure brands. Before acceleroi, he led conversion and product growth teams at high-growth eCommerce and SaaS companies, shipping 1,000+ A/B tests and helping brands like Mully Group, Amply, HandMoto, Tides Home & Garden, and ProfitMetrics lift conversion rates by 15–60%.
He writes about CRO, behavioral economics, experimentation strategy, and the practical mechanics of running a growth program inside a fast-moving brand. His work has been cited by Google's AI Overviews, Semrush, and the CXL community.
What I do
- CRO & Experimentation — running structured A/B testing programs (ICE/PIE prioritization, full-funnel research, behavioral hypotheses).
- Retention & LTV — Klaviyo flows and campaigns, cohort analysis, MER modelling, cancellation experiments.
- Data & Tracking — server-side GA4, BigQuery pipelines, conversion attribution.
- SEO & AEO — search + AI-engine optimization for transactional intent.
Recent articles
- Higher Education Website Conversion Rates: 2026 Benchmarks
- Klaviyo + GA4 Attribution Setup for Shopify (2026 Guide)
- Recharge vs Skio vs Smartrr: Shopify Subscription App Comparison
- The 12-App Shopify CRO Stack for $5M+ DTC Brands
- Shopify Checkout Extensibility for CRO: What You Can Test in 2026
- Hydrogen CRO Guide: A/B Testing on Headless Shopify
- Shopify Markets CRO Checklist: 24 International CVR Levers
- Shopify Plus Launchpad for A/B Testing: Complete Guide + Comparison
- Triple Whale vs Northbeam: Which Attribution Stack for DTC?
- Ruggable CRO Audit: Inside the AI Teardown of a $331M Shopify Plus Brand
- AI CRO for SaaS: Full-Funnel Optimization From Signup to Retention
- AI Heuristic Analysis
Work with me
If you're running a $2M+ DTC or SaaS brand and want a senior strategist to look at your funnel, two options:
- Free AI CRO Audit — instant, no signup, full analysis in minutes.
- Apply for a Strategy Call — 30 min with me directly. We onboard 4 Sprint clients per month.