16+ years conversion experience
2,000+ A/B tests with 300+ clients
Multiple best speaker awards
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Conversion guides, checklists, and templates

Get my useful articles & tools for more success in conversion optimisation.

Percentage calculation & formulas
for digital marketers

With live calculators – for daily use. This is how you calculate conversion rate, bounce rate, ROI, CPO, customer churn rate, and more.

Cognitive biases & behaviour patterns for conversion optimisation

From A to Z: Psychological principles & cognitive biases to consider when a/b testing your websites.

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