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Optimise a site's Core Web Vitals v1.0.0
Use this resource to improve a site's Core Web Vitals
New
- 128 downloads
- 108 likes
- 39 saves
Free
Install with the CLI
In a terminal, from the folder you want:
npx --yes palatekit@latest install web-performance-optimization-planFirst time: connect the CLI with
npx --yes palatekit@latest loginThe prompt asks for LCP, INP and CLS to be assessed in plain language, then for oversized images, the font strategy, unused JavaScript and render-blocking loads to be identified. Each point comes with a concrete fix.
Updated November 2, 2026
Previews
Details
- Install guides
- Generates with
- Your agent's model
- Licence
- CC0-1.0
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What you get
- The full prompt, ready to paste
- One variable to replace: the site URL
- Targets to set, for example LCP under 2.5 s
Good fit for
- Explaining to a designer why a site is slow
- Preparing a list of fixes before a technical audit
Not for
Tags
- performance
- lighthouse
- core web vitals
About
You say
“The site loads slowly on mobile and the images weigh several megabytes: where should I start?”
Prompt published by gokbeyinac under the CC0-1.0 license, delivered in its original version.
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How to use it
- Paste the prompt into your assistant or agent
- Ask it to improve a site's Core Web Vitals
- Review and adjust the result
Content preview
Files
- LICENSE0.6 KB
- NOTICE-PALATEKIT.md0.5 KB
- web-performance-optimization-plan.md2.4 KB
Origin and licence
Listed unmodified
- Author
- gokbeyinac
- Source
- github.com/f/prompts.chat/blob/cecef6fc73c2c389770695a56252d331981727de/prompts.csv
- Licence
- CC0-1.0
Notice
« Lighthouse & Performance Optimization » (gokbeyinac, CC0-1.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.
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