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Ux BarUX quality bar — Krug's three laws of usability, the eight DevEx first principles, time-to-hello-world tiers, the Goodwill Reservoir, the Pit of Success.

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Daniel NikulshynReviewed by Daniel Nikulshyn·Updated July 2026

Overview

The Ux Bar is a UX quality bar framework that provides guidelines for evaluating and improving user experience. It encompasses Krug's three laws of usability, the eight DevEx first principles, time-to-hello-world tiers, the Goodwill Reservoir, and the Pit of Success. The framework is used to review flows, onboarding, error messages, and developer experience. It aims to help designers and developers create products that are easy to use, intuitive, and provide a good user experience.

Key features

  • Krug's three laws of usability
  • Eight DevEx first principles
  • Time-to-hello-world tiers
  • Goodwill Reservoir
  • Pit of Success

Pricing

Model
Free
Category
Skills
Rating
No reviews yet

Use cases

Onboarding Experience

Use the Ux Bar to evaluate and improve the onboarding experience for new users, ensuring that it is intuitive and easy to use.

Error Message Design

Apply the Ux Bar principles to design clear and actionable error messages that help users quickly resolve issues.

Pros & Cons

Pros

  • Provides a comprehensive framework for evaluating UX quality
  • Helps designers and developers create intuitive and user-friendly products
  • Emphasizes the importance of clear and actionable error messages
  • Encourages a user-centered design approach

Cons

  • May require significant changes to existing design and development processes
  • Can be challenging to implement and measure the effectiveness of the framework

Reviews

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Q&A

How can the Ux Bar guide time‑to‑hello‑world improvements?

It defines TTHW tiers: <2 min (champion), 2‑5 min (competitive), 5‑10 min (needs work), >10 min (red flag). By scoring and tracking these tiers, teams can prioritize features that reduce onboarding friction and improve conversion.

Asked by Mireille Dupont · Jun 14, 2026

What are the main challenges in implementing the Ux Bar?

Adopting the framework may require significant changes to existing design and development processes. Measuring its effectiveness can be difficult, and some teams may find it hard to quantify improvements until live audits are performed.

Asked by Malik Rasheed · Jun 7, 2026

How does the Goodwill Reservoir concept impact design decisions?

Goodwill Reservoir tracks user patience: each friction point depletes it. Design should avoid errors without fixes, unclear required fields, dead‑end buttons, slow loads, and state loss. Restorers include clear error fixes, sensible defaults, speed, and delightful moments.

Asked by Joanna Kowalski · May 14, 2026

What kinds of workflows can the Ux Bar help evaluate?

The Ux Bar is designed for reviewing user flows, onboarding processes, error messages, and developer experience in products. It applies usability laws and DevEx principles to make these areas more intuitive and friction‑free.

Asked by Bianca Ferreira · Apr 7, 2026

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