web-quality-skills — Установка & Живое демо

Зачем использовать

Ключевые функции

6 skills covering the Lighthouse + Core Web Vitals matrix
Explicit targets: LCP ≤ 2.5s, INP ≤ 200ms, CLS ≤ 0.1
WCAG 2.2 accessibility auditing
Framework-agnostic recommendations
Auto-activation on matching requests

Живое демо

Как выглядит на практике

web-quality-skill.replay ▶ готово

0/0

Установка

Репозиторий автора · Официальная документация Claude Skills

Сценарии использования

Реальные сценарии: web-quality-skills

Fix a slow LCP on a product landing page

👤 Frontend engineers trying to get a green CWV ⏱ ~40 min intermediate

Когда использовать: CrUX shows LCP at 3.8s and you don't know where to start.

Предварительные требования

Target URL — Live or staging URL — not just local

Поток

Run the core-web-vitals skill

Use the core-web-vitals skill on https://site.com. Focus on LCP.✓ Скопировано

→ Diagnosis of the LCP element (hero image, web font, server response) with specific fix
Apply the fix

Apply the recommended priority hints and image format change.✓ Скопировано

→ Concrete HTML changes
Re-measure

How do I verify the improvement?✓ Скопировано

→ Guided re-measure via Lighthouse or web-vitals JS

Итог: LCP under the 2.5s target with a documented fix path.

Подводные камни

Fixing lab LCP but not field LCP (CrUX) — Always verify in CrUX, not just local Lighthouse

Run a WCAG 2.2 accessibility audit on a checkout flow

👤 Engineers preparing for an accessibility review ⏱ ~45 min intermediate

Когда использовать: Legal is asking about WCAG compliance for the checkout.

Поток

Run the accessibility skill

Use the accessibility skill on our checkout flow. What WCAG 2.2 issues exist?✓ Скопировано

→ Structured findings per WCAG success criterion with severity
Prioritize fixes

Group by fix-effort vs user impact.✓ Скопировано

→ Ordered backlog

Итог: A real accessibility backlog, not a checklist you can't act on.

Подводные камни

Automated checks only catch ~30% of issues — Complement with keyboard-only and screen-reader manual testing

Сочетать с: playwright-skill

Run the full web-quality-audit before a marketing campaign

👤 Teams about to drive paid traffic ⏱ ~30 min intermediate

Когда использовать: Big campaign starts Monday and you want no nasty surprises.

Поток

Run the combined audit

Use web-quality-audit on our campaign landing page.✓ Скопировано

→ Report spanning performance, CWV, accessibility, SEO, best-practices
Triage for launch

What must be fixed before launch vs can wait?✓ Скопировано

→ Go/no-go triage

Итог: A launch-ready page and a week-2 backlog.

Подводные камни

Treating every finding as blocker — The skill prioritizes — trust the must-fix list

Комбинации

Сочетайте с другими MCP — эффект x10

web-quality-skill + chrome-devtools

Use DevTools MCP to grab live perf traces while the skill interprets them

Capture a perf trace via chrome-devtools, then have the performance skill analyze it.✓ Скопировано

web-quality-skill + playwright-skill

Playwright runs the site through real user flows, web-quality skills score each step

Use playwright to walk through checkout, capture metrics at each step, then accessibility-audit each screen.✓ Скопировано

web-quality-skill + claude-seo-skill

Technical SEO from claude-seo + CWV from this skill

Run /seo audit for link/schema issues, then web-quality-audit for CWV.✓ Скопировано

Инструменты

Что предоставляет этот MCP

Инструмент	Входные данные	Когда вызывать
web-quality-audit	URL	Pre-launch or quarterly
performance	URL	Slow page
core-web-vitals	URL	Failing CWV
accessibility	URL / component	A11y review
seo	URL	SEO hygiene check
best-practices	URL	Hardening review

Стоимость и лимиты

Во что обходится

Квота API: None
Токенов на вызов: 2-5k per skill loaded
Деньги: Free — skill is local
Совет: Audit one URL at a time; batch audits balloon context.

Безопасность

Права, секреты, радиус поражения

Хранение учётных данных: No credentials — skill is prompts

Исходящий трафик: None from the skill itself

Устранение неполадок

Частые ошибки и исправления

Skill gives generic advice

Feed in a real Lighthouse JSON or CrUX record for specific findings.

Recommendations don't apply to your framework

Name the framework ('Next.js 15 app router') so the skill tailors suggestions.

Альтернативы

web-quality-skills в сравнении

Альтернатива	Когда использовать	Компромисс
Lighthouse CI directly	You want automated CI gates, not interactive guidance	Scalable for CI; less explanatory
claude-seo-skill	You need SEO-first with broader audit surface	Broader scope but less CWV depth

Ещё

Ресурсы

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