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在 OpenClaw 中安装
/install webperf-loading
功能描述
Intelligent loading performance analysis with automated workflows for TTFB investigation (DNS/connection/server breakdown), render-blocking detection, script...
安全使用建议
This skill runs JavaScript inside Chrome DevTools to inspect page loading performance. Review the snippets if you want to ensure they only read page state (DOM, performance entries) — which they do. A few snippets use fetch to load stylesheet text from URLs referenced by the page (expected for CSS analysis). It will not request local credentials or install binaries, but it will run code inside your browser session and may expose results via window functions. If you plan to run it against sensitive production pages, consider testing on a non‑production copy first and review any snippets you plan to run manually. The repository and author are linked in SKILL.md (https://github.com/nucliweb/webperf-snippets); if you need higher assurance, inspect the specific scripts you intend to use.
功能分析
Type: OpenClaw Skill
Name: webperf-loading
Version: 0.1.0
The webperf-loading skill bundle is a comprehensive collection of web performance auditing tools based on the reputable 'nucliweb/webperf-snippets' repository. The JavaScript files (e.g., TTFB.js, Script-Loading.js, SSR-Hydration-Data-Analysis.js) use standard browser Performance and DOM APIs to collect metrics and identify optimization opportunities like render-blocking resources or oversized hydration data. While some scripts like SSR-Hydration-Data-Analysis.js scan for sensitive keywords (e.g., 'password', 'apikey') in serialized state, they do so for auditing purposes without any evidence of data exfiltration or malicious intent.
能力评估
Purpose & Capability
Name/description describe loading/TTFB/render-blocking analysis and the package contains numerous browser-side JS snippets and an MCP-oriented SKILL.md that instructs the agent to evaluate those snippets in Chrome DevTools — this is coherent and expected.
Instruction Scope
SKILL.md explicitly instructs the agent to run scripts via mcp__chrome-devtools__evaluate_script and to capture results; scripts access only DOM, Performance API, history, and in a few cases fetch stylesheet text from page-linked URLs. They do not instruct reading local files, unrelated env vars, or posting data to unknown external endpoints.
Install Mechanism
Instruction-only skill (no install spec). Code files are JS snippets intended to run inside the browser via DevTools; nothing is downloaded or executed on the host outside the DevTools context.
Credentials
The skill declares no required environment variables, binaries, or credentials — consistent with browser-side DevTools snippets that operate on page state.
Persistence & Privilege
always:false and no install/persistence steps. Scripts sometimes register window functions (e.g., checkBfcache, getDataFn patterns) to expose tracked results, which is normal for tracking scripts and limited to the page context. The skill does not request system-wide privileges or modify other skills.
如何使用
- 确保已安装 OpenClaw（本地或 Docker 部署）
- 在对话框中输入安装命令：
/install webperf-loading - 安装完成后，直接呼叫该 Skill 的名称或使用
/webperf-loading触发 - 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v0.1.0
Initial release of webperf-loading: a comprehensive toolkit for automated analysis and optimization of web loading performance.
- Provides workflows for TTFB investigation, render-blocking detection, script performance attribution, font optimization, and resource hints validation.
- Includes decision trees for automated analysis based on measurement results.
- Features over 25 specialized scripts for deep-dive audits across loading, network, script, font, image, CSS, and SSR performance.
- Supports integration with Core Web Vitals, Interaction, and Media webperf skills.
- Compatible with Chrome DevTools MCP for automated JavaScript evaluation and result capture.
元数据
常见问题
Webperf Loading 是什么？
Intelligent loading performance analysis with automated workflows for TTFB investigation (DNS/connection/server breakdown), render-blocking detection, script... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 253 次。
如何安装 Webperf Loading？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install webperf-loading」即可一键安装，无需额外配置。
Webperf Loading 是免费的吗？
是的，Webperf Loading 完全免费，采用 MIT-0 许可证，可自由下载、安装和使用。
Webperf Loading 支持哪些平台？
Webperf Loading 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。
谁开发了 Webperf Loading？
由 nucliweb（@nucliweb）开发并维护，当前版本 v0.1.0。
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