⚠️Install with caution. This skill has very few installs. Always review the source and verify it on clawhub.ai before installing. Community-built skills run with agent permissions — only install ones you trust.

⚙️ AI Tools & Utilities

Webperf Core Web Vitalsv0.1.0

Name: Webperf Core Web Vitals
Author: nucliweb

webperf-core-web-vitals

nucliweb

Intelligent Core Web Vitals analysis with automated workflows and decision trees. Measures LCP, CLS, INP with guided debugging that automatically determines...

latest

Download Package View on ClawHub

Installs (all time)

Installs (current)

Downloads

780

Stars

CreatedMar 11, 2026

UpdatedMay 1, 2026

Install & Quick Start

Install via ClawdBot CLI:

clawdbot install nucliweb/webperf-core-web-vitals

Skill Package10 files

📋SKILL.mdmarkdown

Failed to load file.

Quality Score

B58/100

Grade Fair — based on market validation, documentation quality, package completeness, maintenance status, and authenticity signals.

Market Validation5/35

· 1 installs (minimal)
· 109 downloads (low demand)

Documentation20/25

· SKILL.md present
· Detailed documentation (≥3000 chars)
· Contains usage examples or trigger description
· Detailed summary

Package Completeness8/15

· skillAssets present (9 files)

Security Analysis

💙 Low Risk

UNKNOWN_DATA_SINKhigh

Sends data to undocumented external endpoint (potential exfiltration)

post → https://example.com/hero.avif

UNDOCUMENTED_EXTERNALlow

Calls external URL not in known-safe list

https://github.com/nucliweb/webperf-snippets

AI Analysis

The skill's primary function is local performance measurement via Chrome DevTools scripts. The external URL 'https://example.com/hero.avif' appears to be a benign placeholder image URL used for demonstration/testing within a performance script, not a data exfiltration endpoint. The GitHub repository link is the author's public code repository, which is expected and documented.

Audited Apr 16, 2026 · audit v1.0

💡

Usage Guide

Generated Mar 21, 2026

Web DevelopersPerformance EngineersSEO Specialistsintermediate

💡 Application Scenarios

E-commerce Product Page OptimizationE-commerce

An e-commerce site experiences high bounce rates due to slow loading product images affecting LCP. This skill helps diagnose LCP delays, identify if images are incorrectly lazy-loaded, and optimize resource hints to improve conversion rates by ensuring fast visual rendering.

News Media Site Layout StabilityMedia and Publishing

A news website suffers from layout shifts (CLS) as ads and images load, disrupting user reading. This skill analyzes CLS scores, separates loading vs. interaction shifts, and cross-references with loading skills to fix lazy-loaded elements and font swaps, enhancing user engagement.

SaaS Dashboard Interaction ResponsivenessSoftware as a Service (SaaS)

A SaaS application has slow interactions (INP) in its dashboard, causing user frustration. This skill measures INP values, breaks down input latency, and identifies blocking scripts via interaction skill integration, enabling developers to optimize processing delays for smoother workflows.

Video Streaming Platform Performance AuditEntertainment and Streaming

A streaming service finds videos as the LCP element, leading to poor initial load times. This skill detects video candidates, audits video loading strategies with media skill integration, and analyzes phases to ensure optimal preload and priority hints for faster playback start.

Corporate Website Core Web Vitals ComplianceCorporate and Marketing

A corporate website needs to meet Core Web Vitals thresholds for SEO and user experience. This skill runs a complete audit workflow, automatically follows decision trees to diagnose issues like slow TTFB or render delays, and integrates with loading and interaction skills for comprehensive fixes.

💼 Business Models

Performance Consulting ServicesProject-based fees ranging from $2,000 to $10,000 per audit

Offer specialized consulting to clients by using this skill to audit and debug Core Web Vitals issues. Charge per project or hourly for in-depth analysis, providing actionable reports and integration with other webperf skills to optimize site performance and improve SEO rankings.

SaaS Performance Monitoring ToolMonthly subscriptions from $50 to $500 per site

Integrate this skill into a SaaS platform that continuously monitors Core Web Vitals for multiple client websites. Automate workflows and decision trees to provide real-time alerts and recommendations, with tiered subscription plans based on site volume and analysis depth.

Developer Training and WorkshopsWorkshop fees of $500 to $2,000 per attendee, or corporate packages at $5,000+

Conduct training sessions and workshops for development teams on using this skill to master Core Web Vitals debugging. Offer courses covering workflows, decision trees, and cross-skill integration, generating revenue through enrollment fees and corporate training packages.

💬 Integration Tip

Leverage cross-skill integration with webperf-loading and webperf-interaction skills for comprehensive analysis; automate follow-ups using the decision tree to streamline debugging workflows.