Core Web Vitals Optimizer

Name: Clementine - Core Web Vitals & Site Speed Optimizer AI Skill
Brand: KissMySkills
Price: 7.0 USD
Availability: InStock

Clementine - Core Web Vitals & Site Speed Optimizer AI Skill

Turns a failing PageSpeed or Search Console report into a ranked fix list for LCP, INP and CLS.

$7.00 this skill one payment yours forever

Complete skill package instant downloadclementine-core-web-vitals-site-speed-optimizer.md

Unlimited

Or get every skill, not just this one $9/mo

This one plus 2,500+ more, inside your AI

This skill$7

Unlimited$9/mo

See Unlimited · $9/mo → or try every skill free for 7 days, no card

Pay once, keep foreverInstant download30-day money-back guarantee

As featured onProduct Hunt Fazier KittyLaunch

Works with

Secure checkout by Shopify

Trademarks of their respective owners. KissMySkills is not affiliated with or endorsed by them.

Ask Clementine something hard.

📎 clementine-core-web-vitals-site-speed-optimizer.md LOADED ✓

My Shopify product pages fail Core Web Vitals on mobile. PSI field data: LCP 4.3 s, INP 310 ms, CLS 0.18. Lighthouse breakdown and long tasks pasted below. What do I fix first?

CLAUDE · AS CLEMENTINE, CORE WEB VITALS & SITE SPEED OPTIMIZER You get: a data check of field vs lab sources -> a verdict table for LCP, INP and CLS at p75 against the official thresholds -> an LCP breakdown into TTFB, load delay, load duration and render delay -> the apps behind the long tasks -> the elements causing layout shift -> a fix list ranked by impact and effort with Shopify steps -> a 28-day verification plan and open data requests.

Or have every skill inside your AI.

0:33 · no sound

Get all 2,500+ with Unlimited · $9/mo billed yearly →

Questions before you buy? A person answers, usually the same day: hello@kissmyskills.com

// the file itself

Read it before you buy it.

The first lines of the file your AI will read, exactly as delivered. Nothing rewritten for the page.

// the skill your AI runs on

You are Clementine, a front-end performance specialist who reads PageSpeed and Search Console reports for a living. You have been activated to find which Core Web Vital fails for real users, explain why, and hand back a fix list ordered by impact and effort.

Your job: take whatever performance data the user has, find out which Core Web Vital is really failing, for which template and which device, why it fails, and what to change first. You hand back a short, ordered fix list a store owner can act on or forward to a developer, with platform-specific steps. You are honest about stakes. Core Web Vitals are part of Google's page experience signals, and they are one ranking signal among many. Relevance and content quality come first. A faster site is better for users and often for conversion, but you never promise ranking, traffic or revenue gains. · Robert - AI Technical SEO Agent runs full technical SEO: crawling, indexation, canonicals, sitemaps, structured data, redirects. Core Web Vitals are one line in his audit. You go deep on that one line: page speed and the three metrics only. · Marius - Performance Engineer works on backend systems: load testing, profiling, databases, APIs, infrastructure capacity. You work in the browser: what the page loads, in what order, and what blocks rendering and interaction. If TTFB is the bottleneck on a custom stack, you say so and hand the server side to a backend engineer. · Serge - SEO Specialist owns keywords, content and on-page copy. You do not touch keywords or content strategy. · Search Console shows URLs as "Poor" or "Need improvement" for LCP, INP or CLS. · PageSpeed Insights says "Core Web Vitals Assessment: Failed". · A Lighthouse score dropped after a theme update, a new app or plugin, or a redesign. · A store owner wants to know which apps or plugins slow the site down and what to remove first. · A developer needs a prioritized ticket list with the evidence behind each item. · Full technical SEO audit (indexation, crawl, schema): use a technical SEO specialist. · Server capacity, load testing, database or API latency profiling: use a backend performance engineer. · Keyword research and content: use an SEO content specialist. · Chasing a Lighthouse score of 100 for its own sake. You optimize for real users at the 75th percentile, not a lab number.

173 lines · .md · instant download

// what's inside

O que há dentro desta habilidade

Separates real-user field data from lab data before judging anything
Breaks LCP into four subparts and INP into three phases to find the cause
Ranked fix list with Shopify, WordPress or custom-code steps
Never invents a metric and never promises ranking gains

Shopify and WordPress store owners, marketers and developers whose pages fail Core Web Vitals in PageSpeed Insights or Search Console.

// two ways to get it

Buy this file, or open the whole library.

Buy once

This skill as a file

$7 one payment, yours forever

Download right after checkout, keep it for good
Paste it into ChatGPT, Claude, Gemini or any AI chat, free plans included
30-day money-back guarantee

Unlimited Access

Every skill, prompt and agent, inside your chat

$9/mo cancel anytime, or $59 a year

All 2,500+ files in the library, loaded the moment you ask
Nothing to download or paste: connect once in Claude, ChatGPT, Claude Code or Cursor
Works on every Claude plan, free included · 30-day money-back guarantee on the first charge

See Unlimited Access →

Subscribers can still buy single files and keep them after they cancel.

Works with

Trademarks of their respective owners. KissMySkills is not affiliated with or endorsed by them.

// ask your assistant

Or let your AI set up this skill for you.

Go to kissmyskills.com/pages/for-ai-agents and set up the "Clementine - Core Web Vitals & Site Speed Optimizer AI Skill" skill (handle: clementine-core-web-vitals-site-speed-optimizer) for me

Paste it into Claude, ChatGPT, Claude Code, Cursor or Codex. Your AI walks you through connecting KissMySkills (about 3 minutes, 7-day free trial) and loads the skill. What your AI will read →

What you're actually buying

Clementine diagnoses core web vitals the way a front-end performance specialist does. Paste PageSpeed Insights, Lighthouse, CrUX or Search Console data and she separates field from lab data, checks LCP, INP and CLS against the official thresholds at the 75th percentile, splits LCP into its four subparts, traces slow interactions to long tasks and names the elements that shift. You get a verdict table and a fix list ordered by impact and effort, with steps for Shopify, WordPress or custom sites.

For store owners, marketers and developers whose site fails the Core Web Vitals assessment. Clementine never invents a measurement; missing data is marked as needed. She does not promise rankings, because page speed is one signal among many. Unlike Robert - AI Technical SEO Agent, who audits all of technical SEO, Marius - Performance Engineer, who profiles backends and load, and Serge - SEO Specialist, who owns keywords and content, Clementine works only on front-end page speed.

Turns a failing PageSpeed or Search Console report into a ranked fix list for LCP, INP and CLS.

Compatible with: Claude, Claude Code, ChatGPT, Gemini and Copilot. Install once as a Skill in Claude or paste it as instructions in any other AI chat.

Does it need my PageSpeed report? Yes - paste PSI, Lighthouse, CrUX or Search Console data, and anything missing is marked as needed, never guessed.
Does it work for Shopify and WordPress? Yes - fixes come with platform steps for Shopify themes and apps, WordPress plugins and caching, or custom code.
Will it improve my Google rankings? No promise - Core Web Vitals are one ranking signal among many, and the goal is a faster page for real users.
Is it about the Lighthouse score? No - it judges real-user field data at the 75th percentile and uses the lab score only for diagnosis.

// how to install Em menos de 2 minutos

Quatro passos. Qualquer chat de AI.

01
Baixar o arquivo
Após a finalização da compra, o link para download chegará à sua caixa de entrada. Salve o arquivo em qualquer lugar do seu dispositivo.
02
Abra seu chat de AI
Claude, ChatGPT, Gemini, Grok ou Copilot - qualquer um que você já use.
03
Cole o conteúdo do arquivo
Cole isso no prompt do sistema, nas instruções do projeto ou no campo de instruções personalizadas.
04
Comece a trabalhar
Sua AI agora está configurada como especialista. Pergunte qualquer coisa dentro da área de especialização dela.

Nenhum conhecimento técnico necessário.

With Unlimited there is nothing to download. Connect your AI once, then just ask: "Load Clementine from KissMySkills."

Setup guide → Unlimited · $4.92/mo billed yearly →

// faq

Dúvidas sobre este produto

What does Clementine - Core Web Vitals & Site Speed Optimizer do?+

Clementine reads the performance data you paste from PageSpeed Insights, Lighthouse, CrUX or Search Console, decides which Core Web Vital fails for real users at the 75th percentile, and finds the cause: LCP subparts, INP long tasks and phases, or the elements behind CLS. She returns a verdict table, a fix list ordered by impact and effort, platform steps and a verification plan.

How is Clementine different from Robert, Marius or Serge?+

Robert - AI Technical SEO Agent runs full technical SEO audits where page speed is one line. Marius - Performance Engineer works on backend load testing and profiling. Serge - SEO Specialist handles keywords and content. Clementine goes deep on one thing: front-end page speed and the three Core Web Vitals, with fixes for Shopify themes and apps, WordPress plugins or custom code.

Which thresholds does it use?+

The current official ones, assessed at the 75th percentile per device: LCP good at 2.5 seconds or less, INP good at 200 ms or less and poor above 500 ms, CLS good at 0.1 or less and poor above 0.25. INP replaced FID in March 2024, so old FID advice is translated to INP.

Will fixing Core Web Vitals raise my rankings?+

Clementine does not promise that. Core Web Vitals are part of Google's page experience signals and one ranking signal among many; relevance and content quality matter more. What she aims for is a faster, steadier page for real users, verified in field data over the 28-day CrUX window.