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Core Web Vitals optimization v1.0.0

Use this resource to improve the LCP, INP and CLS metrics of a web page

New

  • 392 downloads
  • 170 likes
  • 191 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install core-web-vitals-optimization-2

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent identifies the LCP element, the interaction delay (INP) and layout shifts (CLS), then proposes targeted fixes. You get a checklist per metric and the pass thresholds.

Mostly picked by

Updated November 2, 2026

Card for the “Core Web Vitals optimization” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: thresholds, diagnosis and checklists for LCP, INP and CLS
  • references/LCP.md: finding and optimizing the LCP element

Good fit for

  • Google Search Console flags slow or unstable pages
  • A page shifts while images or fonts load

Not for

    Tags

    • core web vitals
    • lcp
    • cls
    • performance

    About

    You say

    “My homepage has a 4.2 s LCP: find the element causing it and propose fixes.”

    Card for the “Core Web Vitals optimization” skill

    Skill published by davila7 under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to improve the LCP, INP and CLS metrics of a web page
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/LCP.md4.5 KB
    • SKILL.md11.8 KB

    Origin and licence

    Listed unmodified

    Author
    davila7
    Source
    github.com/davila7/claude-code-templates/tree/f57964ebda91cdfb31755661ecea9395f30020f1/cli-tool/components/skills/development/core-web-vitals
    Licence
    MIT

    Notice

    « core-web-vitals » (davila7, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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