Guido X Jansen
Personal website of Guido Jansen - writing about technology, psychology, and e-commerce.
Articles
50 articles
Outsource your GitHub CI to a VPS: cheaper, faster, and a free backup server too
Make links to your blog render the custom "View publication" card + CTA
ATmosphere Conf 2026: the internet built for people, not platforms
Running Doom over the AT Protocol
AI slop is drowning communities. Verifiable track records can fix it.
Barazo: community forums where members own their data
Better Not Waste It
BigTech independence update: cleaning house for local AI
A practical guide to building your own antifragile tech stack
Start building Anti-Fragile communities, your community deserves it
Ditching "One community idea per month": Our hackathon path to 80+ community projects
How I reduced my BigTech dependencies in 2025 (and why you should too)
RPi Pirate audio side project
7 Hard-(l)earned lessons for building reliable AI workflows
The Collapse of Traditional Commerce - Why Innovation is No Longer Optional
Concerns with AI programming
4 options to customize your LLM
Website moved to Astro
The Art of Clear Messaging at Trade Shows - What We Can Learn from Food Trucks
Beyond Code: Software Developers in the Age of AI
Why Every Moment Looks Like a Turning Point in Exponential Growth
How to Build an Online B2B Community
Often Confused Commerce Terms
Optimization hierarchy of evidence
Are you LEFT or RIGHT brain? Surprise: you're both
The Story of Spryker with CEO Boris Lokschin
First episode of CRO.CAFÉ is live!
Recording: Creating An Optimization Culture
Website moved to Webflow
Can you afford not to know? Can you afford to be wrong?
Texas sharpshooter fallacy
Data Driven Decisions meets Psychology
New domain and CMS!
Questions on Experimentation
Learnings from Shenzhen
Proving the monetary value of A/B testing
The CRO Process
Intervju: Guido Jansen ska ta reda på varför kunderna inte handlar
Combining personal & business online: 5 guidelines/tips.
Compute required Sample Size for your A/B tests
Trustlogo onderzoek
How Color Persuasion Works
One year .com in retrospect
Persuasion profiling: Dawn of a New Marketing Era
Update: 101 ways to optimize Magento for speed
101 ways to speed up your Magento e-commerce website
Top 8.5 tips for getting started in ecommerce
9.999 on 09.09.09 09:09
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