performance-vitals

Audits web pages for LCP, INP, and CLS and implements prioritized optimization plans.

1|Updated Dec 24, 2025

Search Tags:#performance #web-vitals #LCP #CLS #INP

One-click install

npx skills add https://github.com/Doyajin174/myskills --skill performance-vitals

Or copy as Structured Prompt for Agent▼

Please help me install this Agent Skill.
Skill: performance-vitals
Source: https://github.com/Doyajin174/myskills/tree/main/.public/skills/performance-vitals
Command: npx skills add https://github.com/Doyajin174/myskills --skill performance-vitals

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill focuses on improving Core Web Vitals metrics (LCP, INP/FID, CLS) and provides practical optimization techniques.

Core Features & Use Cases

LCP optimization: Image optimization, critical CSS, and preload hints.
INP optimization: Task chunking, debounced input, and web workers.
CLS reduction: Size attributes, skeletons, font loading best practices.

Quick Start

Audit a page for LCP/CLS/INP and implement a prioritized optimization plan.