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qa-detect-ux-whitespace

Detect wasted horizontal space in responsive web layouts via DOM geometry inspection.

Updated May 22, 2026
Search Tags:#layout#responsive design#forms#ux#whitespace#viewport
One-click install
npx skills add https://github.com/Luqman-Ud-Din/blackbox-qa-agent --skill qa-detect-ux-whitespace
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: qa-detect-ux-whitespace
Source: https://github.com/Luqman-Ud-Din/blackbox-qa-agent/tree/main/skills/qa-detect-ux-whitespace
Command: npx skills add https://github.com/Luqman-Ud-Din/blackbox-qa-agent --skill qa-detect-ux-whitespace

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps detect layouts that leave too much unused horizontal space, such as forms that only occupy part of a page or main content areas that feel cramped on wide screens.

Core Features & Use Cases

  • Form width checks: Flags forms that render at less than half of the available container width when the empty side has no useful content.
  • Viewport occupancy checks: Detects desktop layouts where the main content uses too little of the available viewport width.
  • Margin imbalance checks: Finds pages with excessive empty space on the left or right side of the main container.
  • Stacked field layout review: Identifies forms with vertically stacked inputs that could reasonably fit into multiple columns.
  • Use case: A product designer or QA engineer can run this Skill on a responsive page to catch “why is half my screen empty” bugs before release.

Quick Start

Ask the skill to inspect the current page for wasted horizontal space and report any forms, containers, or layouts that leave excessive empty margins.

Frequently Asked Questions about qa-detect-ux-whitespace

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect wasted horizontal space in web layouts during a responsive UI audit?▼

To detect wasted horizontal space in web layouts, you inspect DOM geometry against viewport sizes to flag undersized forms, low occupancy, and excessive side margins using viewport-sensitive heuristics. This prevents false positives from sidebars.

What causes excessive empty margins on desktop screens in responsive design?▼

Excessive empty margins on desktop screens in responsive design are caused by main content containers using too little of the available viewport width, leaving large unused side areas without useful content.

Can I check if vertically stacked form fields should use multiple columns?▼

Yes, you can check vertically stacked form fields by reviewing the layout to identify if inputs could reasonably fit into multiple columns instead of taking up excessive vertical space.

Does this wasted space detection work across mobile, tablet, and desktop viewports?▼

Yes, this wasted space detection works across mobile, tablet, laptop, and desktop viewports in browser-based applications by applying viewport-sensitive heuristics to the DOM geometry.

How do I avoid false positives when auditing whitespace next to sidebars?▼

To avoid false positives when auditing whitespace next to sidebars, use viewport-sensitive heuristics that distinguish between actual wasted horizontal space and decorative panels or sidebars.

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