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This skill turns any 1280x720 (or other fixed-viewport) slide HTML into a quantitative density report. It rasterizes every visible text node, image, and SVG onto a coarse grid, computes the uncovered fraction of the viewport, and flags slides that fall into the common "sparse content collapsed at top, big empty area below" failure mode that LLM-generated slides exhibit. Outputs sortable per-slide whiteRatio, coverage, and threshold bands so reviewers can triage a deck in seconds.
This skill should be used when auditing slide HTML files (1280x720 or other fixed-viewport layouts) for the common design anti-pattern of excessive whitespace and insufficient information density. It computes a quantitative whiteRatio by rasterizing all visible content elements (text nodes, images, SVGs, canvases, videos) onto a coarse grid and calculating the uncovered fraction of the viewport. Use after an LLM or sub-agent generates slide HTML to catch under-filled layouts before review. Trigger phrases: whitespace audit, slide design audit, coverage ratio, information density check, slide layout review, check slide for empty space, audit my slides, slide HTML coverage analysis, design density check, layout density audit.
See skills/slide-whitespace-audit/SKILL.md for the full skill definition.
whitespace, slide-design, coverage-ratio, layout-audit, information-density, html-analysis
This skill was generated by frago, an Agent OS for AI agents. Want to compose your own skills / recipes / hooks?
uv tool install frago-cli
Fallback (no uv yet): pipx install frago-cli --python python3.13
AGPL-3.0 — see LICENSE.