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Notes from the work: growth, CRM, measurement and experiments.
A/B Testing
Funnel optimization: how to diagnose each step and test the fix
Funnel optimization starts with lost users counted per step and weighed by later steps. Segment the funnel, then test one change against a control group.
Ali DemirbaşNov 14, 202612 min readLatest
Growth Marketing
Landing page examples: five pages and the principles behind them
Ali DemirbaşNov 14, 2026
CRM & Lifecycle
Email segmentation ideas: 10 examples with data and measurement
Ali DemirbaşNov 14, 2026
Growth Marketing
How to get more leads: sources, offers and lead quality
Ali DemirbaşNov 14, 2026Growth Marketing
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A/B Testing
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CRM & Lifecycle
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SEO & GEO
- Churn rate: what it is, how to calculate it, how to analyze it
- Why GA4 and Google Ads conversions don't match: investigating the gap
- How to set a minimum order value: break-even cart and lost customers
- Google Ads bidding strategies: which to choose and how to set targets
- Google Ads campaign types: which to use and when
- How to choose a digital marketing agency: 13 things to check
- How landing page speed affects Google Ads performance
- Google Ads scripts guide: when to use them and how to test them
- How to set a free shipping threshold that pays for itself
- Performance marketing metrics: which metric drives which decision
- Customer retention metrics: retention, churn and LTV explained
- In-app messaging vs push notifications: when to use which
- Email deliverability: SPF, DKIM, DMARC and Gmail, Yahoo, Outlook rules
- CRM and marketing automation tools: 11 platforms compared
- AI in lifecycle marketing: prediction, content and AI agents in CRM
- RFM analysis: Customer segmentation for lifecycle marketing
- Control group in A/B testing: size, holdouts and checks
- Statistical significance in A/B testing: p-values explained
- How to calculate sample size for an A/B test
- What is conversion rate optimization (CRO)? A practical guide
- A/B testing examples: Real cases from Nike, Amazon and Etsy
- Best A/B testing tools compared by type, price and statistics
- What is A/B testing? How it works and how to run one