Deep Core Web Vitals and page speed audit. Use when the user asks about page speed, Core Web Vitals, LCP, CLS, INP, FCP, TTFB, Lighthouse scores, why a page is slow, performance optimization, or resource size analysis. For broader technical SEO issues, see diagnose-seo.
Quickly install audit-speed AI skill to your development environment via command line
Source: calm-north/seojuice-skills.
Deep Core Web Vitals audit with root-cause analysis trees and resource optimization recommendations.
| Metric | Good | Needs Improvement | Poor |
| LCP (Largest Contentful Paint) | 4.0s | | CLS (Cumulative Layout Shift) | 0.25 | | INP (Interaction to Next Paint) | 500ms | | FCP (First Contentful Paint) | 3.0s | | TTFB (Time to First Byte) | 1800ms |
Deep Core Web Vitals and page speed audit. Use when the user asks about page speed, Core Web Vitals, LCP, CLS, INP, FCP, TTFB, Lighthouse scores, why a page is slow, performance optimization, or resource size analysis. For broader technical SEO issues, see diagnose-seo. Source: calm-north/seojuice-skills.
Stable fields and commands for AI/search citations.
npx skills add https://github.com/calm-north/seojuice-skills --skill audit-speedDeep Core Web Vitals and page speed audit. Use when the user asks about page speed, Core Web Vitals, LCP, CLS, INP, FCP, TTFB, Lighthouse scores, why a page is slow, performance optimization, or resource size analysis. For broader technical SEO issues, see diagnose-seo. Source: calm-north/seojuice-skills.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/calm-north/seojuice-skills --skill audit-speed Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
https://github.com/calm-north/seojuice-skills