Web Perf
hodgef/apiker
Analyzes web performance using Chrome DevTools MCP. An agent skill from hodgef/apiker.
Analyzes web performance using Chrome DevTools MCP. An agent skill from sundial-org/awesome-openclaw-skills.
Install Web Perf
$ npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install sundial-org/awesome-openclaw-skills web-perf --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/sundial-org/awesome-openclaw-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/web-perf .claude/skills/web-perf && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "web-perf" agent skill from https://github.com/sundial-org/awesome-openclaw-skills/tree/main/skills/web-perf into .claude/skills/web-perf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-perf", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/sundial-org/awesome-openclaw-skills/tree/main/skills/web-perfType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install sundial-org/awesome-openclaw-skills web-perf --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sundial-org/awesome-openclaw-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/web-perf .agents/skills/web-perf && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "web-perf" agent skill from https://github.com/sundial-org/awesome-openclaw-skills/tree/main/skills/web-perf into .agents/skills/web-perf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-perf", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install sundial-org/awesome-openclaw-skills web-perf --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sundial-org/awesome-openclaw-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/web-perf .cursor/skills/web-perf && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "web-perf" agent skill from https://github.com/sundial-org/awesome-openclaw-skills/tree/main/skills/web-perf into .cursor/skills/web-perf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-perf", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/sundial-org/awesome-openclaw-skills.git --path skills/web-perf--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install sundial-org/awesome-openclaw-skills web-perf --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sundial-org/awesome-openclaw-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/web-perf .gemini/skills/web-perf && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "web-perf" agent skill from https://github.com/sundial-org/awesome-openclaw-skills/tree/main/skills/web-perf into .gemini/skills/web-perf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-perf", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install sundial-org/awesome-openclaw-skills web-perfInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/sundial-org/awesome-openclaw-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/web-perf .github/skills/web-perf && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "web-perf" agent skill from https://github.com/sundial-org/awesome-openclaw-skills/tree/main/skills/web-perf into .github/skills/web-perf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-perf", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install sundial-org/awesome-openclaw-skills web-perf --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sundial-org/awesome-openclaw-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/web-perf .opencode/skills/web-perf && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "web-perf" agent skill from https://github.com/sundial-org/awesome-openclaw-skills/tree/main/skills/web-perf into .opencode/skills/web-perf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-perf", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
web-perf- GitHub stars
- 663
- Token cost
- ~1.9k tokens
- SKILL.md length
- 752 words
- Files
- 1
- Skills in repo
- 353
- Repo updated
- First seen
- Licence
- None found
At a glance
Analyzes web performance using Chrome DevTools MCP. An agent skill from sundial-org/awesome-openclaw-skills.
- Works in 4 steps: Performance Trace → Core Web Vitals Analysis → Network Analysis → …
- Optimize page load performance
- SKILL.md covers FIRST: Verify MCP Tools…, Key Guidelines, Quick Reference and Workflow, plus 2 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Web Perf is an agent skill from sundial-org/awesome-openclaw-skills. Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (FCP, LCP, TBT, CLS, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed.
Its SKILL.md is about 1.9k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Frontend & Design, covering Web performance. It works with Chrome DevTools and Model Context Protocol. The repository describes itself as: Top OpenClaw skills, with the most popular and useful ones.
When your agent uses it
- Optimize page load performance
- Lighthouse scores
Example prompts
- “Use the web-perf skill to analyz web performance using Chrome DevTools MCP. An agent skill from sundial-org/awesome-openclaw-skills”
- “/web-perf”
Workflow steps
4 steps, taken from the step headings in SKILL.md.
- Performance Trace
- Core Web Vitals Analysis
- Network Analysis
- Accessibility Snapshot
What it can do on your machine
Read from SKILL.md and the folder at commit b80cde2. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are json).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Web Perf loads about 1.9k tokens when it runs. Until then it costs about 88 tokens; SKILL.md has 752 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Without a licence we can't republish the file, so here is its outline and opening line. It has 752 words (~1,904 tokens).
“Audit web page performance using Chrome DevTools MCP tools. This skill focuses on Core Web Vitals, network optimization, and high-level accessibility gaps.”
- name
- web-perf
Files
Just SKILL.md in skills/web-perf of sundial-org/awesome-openclaw-skills.
Open the folder on GitHubat commit b80cde2
Compare with similar skills
Web Perf next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Web Perf this skillsundial-org/awesome-openclaw-skills | 663 | — | ~1.9k | Automated safety check: Pass | None | |
| Web Perfhodgef/apiker | 127 | 5 repos | ~2k | Automated safety check: Pass | MIT | |
| Web Performance Auditwarpdotdev/oz-skills | 825 | — | ~1.9k | Automated safety check: Pass | MIT | |
| Web Performancemozilla/firefox-devtools-mcp | 470 | — | ~1.2k | Automated safety check: Pass | Custom licence | |
| React Devtools MCPsanity-io/ui | 176 | — | ~2k | Automated safety check: Pass | MIT | |
| Igniteui Wc Choose ComponentsIgniteUI/igniteui-webcomponents | 170 | — | ~4.6k | Automated safety check: Pass | MIT |
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Related
Works with
Categories
Questions about Web Perf
What does Web Perf do?
Analyzes web performance using Chrome DevTools MCP. An agent skill from sundial-org/awesome-openclaw-skills. Web Perf is an agent skill from sundial-org/awesome-openclaw-skills. Analyzes web performance using Chrome DevTools MCP.
When should I use Web Perf?
Web Perf fits situations like: optimize page load performance; lighthouse scores.
How do I install Web Perf in Claude Code?
Run `npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a claude-code`. Or copy the skill folder (skills/web-perf in sundial-org/awesome-openclaw-skills) into .claude/skills/web-perf in your project. Claude Code loads it when a task matches its description.
How do I install Web Perf in Codex?
Run `npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a codex`. Or copy the skill folder (skills/web-perf in sundial-org/awesome-openclaw-skills) into .agents/skills/web-perf in your project. Codex loads it when a task matches its description.
Can I use Web Perf in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add sundial-org/awesome-openclaw-skills --skill web-perf -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/web-perf, .gemini/skills/web-perf, .github/skills/web-perf and .opencode/skills/web-perf in your project.
What does Web Perf need to run?
SKILL.md names no scripts, command-line tools or credentials: Web Perf is instructions for the agent only.
Does Web Perf access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Web Perf safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Web Perf use?
No licence was found for Web Perf or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Web Perf use?
About 1.9k tokens (SKILL.md is roughly 7.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Web Perf?
Skills that share tags, products or a category with Web Perf: Web Perf (hodgef/apiker, 127 stars), Web Performance Audit (warpdotdev/oz-skills, 825 stars), Web Performance (mozilla/firefox-devtools-mcp, 470 stars) and React Devtools MCP (sanity-io/ui, 176 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Web Perf?
sundial-org (a GitHub organization) maintains it in sundial-org/awesome-openclaw-skills, which has 663 GitHub stars. The repository holds 353 skills in this directory. The repository was last updated on March 7, 2026.
Source: sundial-org/awesome-openclaw-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.