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Web Performance Optimization

Checked
mileycy516-stack·vlatest·testing

Helps with web development, performance optimization, optimization as part of building frontend UIs and user experiences workflows.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add mileycy516-stack/skills --skill web-performance-optimization -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

mileycy516-stack

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned mileycy516-stack/skills at f304c156f8.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
f304c156f8
Manifest
.agent/skills/web-performance-optimization/SKILL.md
Scanned
1 file, 633 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

About this skill

What it does

This skill optimizes web performance. It allows for improvements in page load times and overall website responsiveness through various techniques. The goal is to create a faster, more efficient user experience on the web.

When to use it

  • Slow loading pages: Use this when users complain about slow page loads or analytics show high bounce rates due to performance issues.
  • Large image assets: Employ this skill to optimize large images that are negatively impacting load times.
  • Complex JavaScript applications: Leverage the skill to analyze and streamline complex JavaScript code for improved performance.
  • Mobile website optimization: Prioritize mobile users by optimizing websites specifically for slower mobile connections.

Key capabilities

  • Web performance analysis
  • Image optimization
  • JavaScript minification
  • Code profiling

Example prompts

  • "Analyze the web performance of [website URL] and suggest improvements."
  • "Optimize these images: [list of image URLs]."
  • "Profile this JavaScript code for bottlenecks: [code snippet]."

Tips & gotchas

This skill requires a basic understanding of web development concepts. The effectiveness depends on the complexity of the website and the specific performance issues present.