lean-startup

A practical, opinionated approach to UI design. Apply these principles when generating frontend code, reviewing designs, or advising on visual improvements.

Scientific, customer-centric approach to conversion rate optimization based on the CRE Methodology(TM). Extraordinary improvements come from understanding WHY visitors don't convert, not from copying competitors or applying generic tips.

A practical guide to choosing, pairing, and implementing typefaces for the web. Typography serves communication — the best typography is invisible, immersing readers in content rather than calling attention to itself.

Practical usability principles for evaluating and improving user interfaces. Based on a fundamental truth: users don't read, they scan. They don't make optimal choices, they satisfice. They don't figure out how things work, they muddle through.

Source details, install context, and public review data are available on the full page.

Analyzes and optimizes Flutter application size by measuring build artifacts, generating size analysis reports, utilizing Dart DevTools for component breakdown, and implementing specific size reduction strategies such as debug info splitting, resource compression, and platform-specific tree-shaking. Assumes a...

Evaluates whether APIs, configurations, and interfaces are resistant to developer misuse. Identifies designs where the "easy path" leads to insecurity.

Solves the "context problem" in multi-agent workflows where subagents don't know what context they need until they start working.