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modern-html-performance-and-containment

Category: Content  ·  Sub-category: content-misc  ·  Last updated:
content-visibility:auto, contain-intrinsic-size, contain property, will-change discipline, container queries to reduce layout thrash for long lists/articles/dashboards/off-screen content. Use when: long article archives, chat logs, infinite-scroll feeds, dashboards with off-screen widgets, before virtual-scrolling lib. Skip: short page, above-fold only, already virtualized.

What this skill does

modern-html-performance-and-containment is a community-contributed Claude Code skill in the content-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/performance-and-containment/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when: long article archives, chat logs, infinite-scroll feeds, dashboards with off-screen widgets, before virtual-scrolling lib. Skip: short page, above-fold only, already virtualized.

Who uses this skill

The modern-html-performance-and-containment Claude Code skill is built for content creators, marketers, copywriters, SEO professionals, and editorial teams. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/performance-and-containment
curl -L https://claudskills.com/skills/performance-and-containment/SKILL.md \
  -o ~/.claude/skills/performance-and-containment/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/performance-and-containment/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/performance-and-containment/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\performance-and-containment\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
ClaudSkills. (2026). modern-html-performance-and-containment [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/performance-and-containment/
BibTeX
@misc{performance-and-containment-2026,
  author    = {ClaudSkills},
  title     = {modern-html-performance-and-containment [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/performance-and-containment/}
}

Embed this skill

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Browse all Content skills in the ClaudSkills registry, or explore these other picks from the same category:

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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