skills.rest
pixels-and-code
pixels-and-codeOFFICIAL
Explore all skills by this author →
GitHub

Core Web Vitals optimisation

Optimize LCP, INP, and CLS metrics with targeted code examples.

Updated Jan 23, 2026
Search Tags:#performance#optimization#seo#core web vitals#lcp#inp#cls
One-click install
npx skills add https://github.com/pixels-and-code/pixels-and-code --skill core-web-vitals-optimisation
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Core Web Vitals optimisation
Source: https://github.com/pixels-and-code/pixels-and-code/tree/main/skills/core-web-vitals
Command: npx skills add https://github.com/pixels-and-code/pixels-and-code --skill core-web-vitals-optimisation

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the critical performance metrics that directly impact user experience and search engine rankings, helping to identify and resolve issues slowing down your website.

Core Features & Use Cases

  • LCP Optimization: Improve Largest Contentful Paint by addressing server response times, render-blocking resources, and slow resource loading.
  • INP Optimization: Enhance Interactivity with Next Paint by resolving long tasks, optimizing event handlers, and managing third-party scripts.
  • CLS Optimization: Reduce Cumulative Layout Shift by fixing issues with images, embeds, dynamic content, and font loading.
  • Use Case: A website owner notices a drop in search rankings and high bounce rates. They use this Skill to diagnose and fix Core Web Vitals issues, leading to improved user engagement and better SEO performance.

Quick Start

Use the core-web-vitals skill to analyze and provide recommendations for improving the LCP metric on the provided URL.

Frequently Asked Questions about Core Web Vitals optimisation

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I improve Largest Contentful Paint when my website has slow server response times and render-blocking resources?▼

Improve Largest Contentful Paint (LCP) by optimizing server response times, deferring render-blocking resources, and accelerating resource loading. This Skill provides targeted strategies and code examples to resolve these specific bottlenecks and enhance overall page load speed.

What causes high Interaction to Next Paint (INP) scores and how can I fix long tasks?▼

High Interaction to Next Paint (INP) scores are caused by long tasks, inefficient event handlers, and heavy third-party scripts. You can fix INP by breaking up long tasks, optimizing event callbacks, and deferring non-critical scripts to ensure faster UI responsiveness.

How do I reduce Cumulative Layout Shift (CLS) caused by dynamic content injection and font loading?▼

Reduce Cumulative Layout Shift (CLS) by reserving space for dynamic content injections and properly sizing images and embeds. Implementing font loading strategies, such as preloading and font-display rules, prevents visual shifts during page rendering.

What is the best way to diagnose Core Web Vitals issues affecting my search engine rankings?▼

The best way to diagnose Core Web Vitals issues is by measuring LCP, INP, and CLS metrics using recommended web performance tools. This Skill analyzes your URL to identify specific bottlenecks like render-blocking resources and long tasks impacting your SEO.

Can I use this approach to optimize web performance for dynamic content and third-party scripts?▼

Yes, you can optimize web performance for dynamic content and third-party scripts by addressing their specific impacts on Core Web Vitals. The Skill offers strategies to manage dynamic content injection, handle font loading, and control third-party script execution to stabilize metrics.

Related Skills

Explore More Software Engineering Skills→
yunaameliayunaamelia

performance-profiling

Profile web performance using Lighthouse and Core Web Vitals.

Community
Intermediate
ofelixdevofelixdev

core-web-vitals

Optimize Core Web Vitals LCP, INP, and CLS with checklists and debugging strategies.

Community
Intermediate
runkidsrunkids
11

core-web-vitals

Optimize LCP, INP, and CLS with prioritized remediation plans.

Community
Advanced
Gekkos-techGekkos-tech
4

core-web-vitals

Optimize LCP, INP, and CLS metrics for web pages.

Official
Intermediate