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Thoughts on UX, accessibility, modern CSS, SEO strategies, and building better user experiences.

·7 min read·Petri Lahdelma

Why Consistency Beats Creativity in Product UX

Great product UX isn’t about novelty—it’s about predictability. Here’s why consistency outperforms creativity in real-world software.

UXDesign SystemsProduct
·9 min read·Petri Lahdelma

Silent Failures: Why UX Breaks Without Errors

Most critical UX failures never throw errors. They fail silently—through state drift, race conditions, and broken mental models. Here’s how to detect them.

UXDebuggingProduct Quality
·10 min read·Petri Lahdelma

Silent Failures: Debugging UX Bugs With Behavioral Traces

The worst bugs don't throw errors. They throw doubt. Here’s a practical approach to debug 'nothing happens' UX failures using behavioral traces and weak-signal correlation.

DebuggingUXObservability
·10 min read·Petri Lahdelma

Consistency Debt: The Silent Conversion Killer

Inconsistent UI patterns cost you 20-40% of potential conversions. Here's how to audit, measure, and fix consistency debt before it tanks your metrics.

UXConversionDesign Systems
·11 min read·Petri Lahdelma

Context Engineering for AI UX: A Practical Checklist

Most AI failures aren't model failures—they're context failures. Here's a concrete checklist for shipping reliable AI UX with tools, constraints, and verifiable outputs.

AI UXLLMProductMCP
·12 min read·Petri Lahdelma

Entity-First Content Strategy: Why Keywords Are Dead

Modern search engines understand entities and relationships, not just keywords. Here's how to build content systems that rank in 2025 and beyond.

SEOContent StrategyGTM
·8 min read·Petri Lahdelma

CSS-Only Accessible Tooltips: The 2025 Approach

Modern CSS features like :has(), anchor positioning, and popover API make truly accessible tooltips possible without JavaScript. Here's how to build them right.

CSSAccessibilityFrontend