core-web-vitals skills

135 tagged core-web-vitals, measured the same way as everything else here.

Browse within: audit 35crawler 35accessibility 33ai-search 29google-search-console 28codex-skills 27dataforseo 27playwright 27privacy 27agent-skill 11copilot 11lighthouse 10performance 8best-practices 6

geo-technical

01

zubair-trabzada/geo-seo-claude

Skill Claude CodeCodex

Technical SEO audit with GEO-specific checks — crawlability, indexability, security, performance, SSR, and AI crawler access.

10k +381 yesterday A 28 tokens original MIT

accessibility

02

addyosmani/web-quality-skills

Skill Claude CodeCodex

Part of web-quality-skills

Audit and improve web accessibility following WCAG 2.2 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible".

2.7k +6 9d ago A 51 tokens original MIT

best-practices

03

addyosmani/web-quality-skills

Skill Claude CodeCodex

Part of web-quality-skills

Apply modern web development best practices for security, compatibility, and code quality. Use when asked to "apply best practices", "security audit", "modernize code", "code quality review", or "check for vulnerabilities".

2.7k +6 9d ago A 49 tokens original MIT

performance

04

addyosmani/web-quality-skills

Skill Claude CodeCodex

Part of web-quality-skills

Optimize web performance for faster loading and better user experience. Use when asked to "speed up my site", "optimize performance", "reduce load time", "fix slow loading", "improve page speed", or "performance audit".

2.7k +6 9d ago A 49 tokens original MIT

seo-dataforseo

05

AgriciDaniel/codex-seo

Skill Claude CodeCodex

Live SEO data via DataForSEO MCP server. SERP analysis (Google, Bing, Yahoo, YouTube, Google Images), keyword research (volume, difficulty, intent, trends), backlink profiles, on-page analysis (Lighthouse, content parsing), competitor analysis, content analysis, business listings, AI visibility (ChatGPT scraper, LLM…

664 +11 1mo ago A 144 tokens

seo-backlinks

06

AgriciDaniel/codex-seo

Skill Claude CodeCodex

Backlink profile analysis: referring domains, anchor text distribution, toxic link detection, competitor gap analysis. Works with free APIs (Moz, Bing Webmaster, Common Crawl) and DataForSEO extension. Use when user says backlinks, link profile, referring domains, anchor text, toxic links, link gap, link building…

664 +11 1mo ago A 75 tokens

seo-local

07

AgriciDaniel/codex-seo

Skill Claude CodeCodex

Local SEO analysis covering Google Business Profile optimization, NAP consistency, citation health, review signals, local schema markup, location page quality, multi-location SEO, and industry-specific recommendations. Detects business type (brick-and-mortar, SAB, hybrid) and industry vertical (restaurant, healthcare…

664 +11 1mo ago A 120 tokens

seo-audit

08

umutxyp/Seo-Promt-Master

Skill Claude CodeCodex

Audit and fix a website's technical SEO and AI-search (GEO) readiness against Google's official guidance, page by page, ending in a computed SEO/GEO score. Use when asked to audit SEO, fix indexing or crawling problems, check canonicals/hreflang/sitemaps/structured data, diagnose why pages are not indexed or traffic…

544 +1 18d ago A 108 tokens original MIT

seo-landing

09

aleksandr-alhoff/seo-landing

Skill Claude CodeCodex

Generates fast, SEO-optimized static HTML landing pages targeting 100/100 PageSpeed (LCP < 2.5s, INP < 100ms, CLS < 0.1), full schema.org JSON-LD, AVIF images, critical CSS, zero external dependencies. Use when: user asks to create/build/generate a landing page, one-pager, or static site with focus on SEO, speed, or…

120 +63 3d ago A 122 tokens original MIT

seo-mastery-jp

10

kpab/seo-mastery-agent-skills

Skill Claude CodeCodex

A Japanese-language SEO skill covering search visibility, website structure, page content, structured data, performance metrics, AI search, Astro, and Cloudflare edge deployments.

11 3d ago A 360 tokens original MIT

seo-mastery

11

kpab/seo-mastery-agent-skills

Skill Claude CodeCodex

Comprehensive SEO skill (English) based on Google's official guidelines: technical SEO, content SEO, structured data (JSON-LD), Core Web Vitals, E-E-A-T, AI search (AI Overviews / AI Mode) and AI crawler control, Astro and Cloudflare edge SEO, code generation, and site audits. Use when the user asks about SEO, search…

11 3d ago B 257 tokens original MIT

stareezy-1/frontend-architecture-skill

Skill Claude CodeCodex

A portable, framework-agnostic architecture style for any React or React Native frontend. Organizes apps into feature modules with page/screen directories, a strict server-state vs UI-state split, barrel-only cross-module imports, co-located styles, and clear component-promotion rules. State-management agnostic…

10 2mo ago A 170 tokens original MIT

stareezy-1/frontend-architecture-skill

Skill Claude CodeCodex

A portable, framework-agnostic field-side observability system for any React or React Native app. Establishes one typed event taxonomy (canonical event-name constants, never inline strings), a best-effort non-blocking provider fan-out so a failing or absent analytics provider can never throw into the app or block…

10 2mo ago A 243 tokens original MIT

frontend-seo

14

stareezy-1/frontend-architecture-skill

Skill Claude CodeCodex

A portable, framework-agnostic SEO system for any React or React Native-for-web frontend. Centralizes site metadata in one constants module, derives canonical URLs from a single base, builds per-route metadata (title, description, canonical, Open Graph, Twitter/X cards), generates sitemap.xml, robots.txt, and an RSS…

10 2mo ago A 195 tokens original MIT

wp-analytics

15

morrealev/wordpress-manager

Skill Claude CodeCodex

Part of wordpress-manager

This skill should be used when the user asks about "analytics", "GA4", "Google Analytics", "Plausible", "Core Web Vitals", "CWV", "PageSpeed", "page speed", "LCP", "CLS", "INP", "TTFB", "FCP", "traffic report", "traffic analysis", "site performance metrics", "web vitals", "real user metrics", or mentions monitoring…

8 6mo ago A 101 tokens

nextjs-seo-audit

16

thisisAhsanIqbal/nextjs-seo-audit

Skill Claude CodeCodex

Comprehensive SEO audit skill for Next.js and HTML pages. Covers on-page optimisation, JSON-LD schema validation, meta tags, Open Graph, semantic HTML, site speed, mobile responsiveness, and backlink analysis. Use when a user asks to audit, optimise, or fix SEO issues on a webpage or website.

7 6mo ago A 69 tokens original MIT

core-web-vitals

17

thisisAhsanIqbal/nextjs-seo-audit

Skill Claude CodeCodex

Audits HTML patterns that affect Core Web Vitals (LCP, CLS, INP). Checks for layout shift causes, largest contentful paint blockers, and interaction responsiveness issues. Use when optimising page performance or fixing Google PageSpeed Insights warnings.

7 6mo ago A 55 tokens original MIT

thisisAhsanIqbal/nextjs-seo-audit

Skill Claude CodeCodex

Validates existing JSON-LD structured data and suggests relevant schemas based on auto-detected page type. Does NOT enforce all schema types — only checks what is applicable to the current page context. Use when auditing or generating structured data for search engine rich results.

7 6mo ago A 56 tokens original MIT

accessibility-check

19

Quality-Max/free-qa-skills

Skill Claude CodeCodex

Quick WCAG accessibility scan of any URL. Checks color contrast, missing alt text, keyboard navigation, ARIA labels, heading hierarchy, and focus indicators. Produces a graded report. Uses Playwright MCP only — no signup.

7 9d ago A 50 tokens original Apache-2.0

Quality-Max/free-qa-skills

Skill Claude CodeCodex

Defensive review of an LLM/agent application for OWASP-LLM-style risks — prompt injection, unsafe tool calls, excessive agency, and PII/secret leakage. Reads your code, flags issues with file:line. Pure Claude Code, no signup.

7 9d ago A 60 tokens original Apache-2.0

ui-ux-scan

21

Quality-Max/free-qa-skills

Skill Claude CodeCodex

Quick UI/UX deficiency scan of any page. Checks touch targets, contrast, font consistency, spacing issues, empty states, loading indicators, and common UX anti-patterns. Uses Playwright MCP only — no signup.

7 9d ago A 50 tokens original Apache-2.0

geo-technical

22

asale-ai/seo-geo-skill

Skill Claude CodeCodex

Technical SEO audit with GEO-specific checks — crawlability, indexability, security, performance, SSR, and AI crawler access.

6 4d ago A 28 tokens

wp-perf-audit

23

billylui/wordpress-performance-skills

Skill Claude CodeCodex

Part of wordpress-performance

Audits performance of a live WordPress site at whatever access level is available, from a public URL alone up to WP-CLI. Fingerprints the stack (page builder, theme, caching layers, CDN, host class, multilingual plugin), measures origin-versus-edge TTFB, payload and Core Web Vitals, then reports ranked findings with…

2 19d ago A 163 tokens GPL-2.0

wp-perf-fix

24

billylui/wordpress-performance-skills

Skill Claude CodeCodex

Part of wordpress-performance

Applies performance fixes to a live WordPress site under a guarded write loop — one change at a time, each with explicit approval, a rollback snapshot captured first, a purge on the cache layer that actually holds the stale copy, and verification of what a visitor really receives. Refuses changes the site's host…

2 19d ago A 124 tokens GPL-2.0

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: