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High Perf Browser

Category: Engineering  ·  Sub-category: backend  ·  Last updated:
Optimize web performance through network protocols, resource loading, and browser rendering internals. Use when the user mentions "page load speed", "Core Web Vitals", "HTTP/2", "resource hints", "network latency", or "render blocking". Covers TCP/TLS optimization, caching strategies, WebSocket/SSE, and protocol selection. For UI visual performance, see refactoring-ui. For font loading, see web-typography.

From the source SKILL.md

A systematic approach to web performance optimization grounded in how browsers, protocols, and networks actually work. Apply these principles when building frontend applications, reviewing performance budgets, configuring servers, or diagnosing slow page loads.

What this skill does

High Perf Browser is a community-contributed Claude Code skill in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/high-perf-browser/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user mentions "page load speed", "Core Web Vitals", "HTTP/2", "resource hints", "network latency", or "render blocking". Covers TCP/TLS optimization, caching strategies, WebSocket/SSE, and protocol selection.

Who uses this skill

The High Perf Browser Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ 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/high-perf-browser
curl -L https://claudskills.com/skills/high-perf-browser/SKILL.md \
  -o ~/.claude/skills/high-perf-browser/SKILL.md

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

Skills live at ~/.claude/skills/high-perf-browser/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\high-perf-browser\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

Attribution & license

More Engineering skills

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

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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