core-web-vitals

Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉

Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.

A Chrome extension to measure essential metrics for a healthy site

A better whois and domain intelligence toolkit

Codex-first SEO skill suite. 26 workflows, 24 TOML agents, DataForSEO/Gemini/Google/Firecrawl integrations, GEO/AEO, CWV, schema, backlinks, local/maps, and deterministic reports.

Open-source SEO monitoring. GSC + Site Crawler + Core Web Vitals in one dashboard.

🔍 Google SEO's full docs as an AI prompt machine — drop it into your AI assistant to map every public route, audit each page against Google's rules, and fix the gaps step by step.

SEOMonster: a local, user-credential-driven MCP server for SEO workflows over Google Search Console, GA4, PageSpeed Insights, and Cloudflare. Read-first, open source.

See and share Core Web Vitals and PageSpeed Insights results simply and easily.

Open-source web analytics with session replay, error tracking, Core Web Vitals and uptime monitoring in one tool. Cookieless, EU-hosted cloud or self-hosted.

SEO Landing: Give your AI coding agent the capabilities of a senior Technical SEO engineer. An agent skill for building high-performance, technically optimized SEO landing pages. Turn an AI coding agent into a technical SEO specialist. Build and improve landing pages with: • 🚀 100/100 Google PageSpeed target • ⚡ Core Web Vitals optimization

Visualise the Core Web Vitals metric Cumulative Layout Shift (CLS) with a simple GIF.

Example website used in Frontend Masters course "Fundamentals of Web Performance"

Everything that makes a website good in 2026: security headers, Core Web Vitals, SEO, accessibility, privacy, AI crawlers. One line and a snippet per item — no abstract advice.

A self-hosted RUM Core Web Vitals monitoring platform for Next.js applications.

The SEO + AI-search (GEO/AEO) optimization toolkit for Claude Code — two-score audit + opt-in fixer. Built for 2026-2027.

A tiny (500 bytes) CrUX API wrapper that supports record & history API, handles errors, and provides types.

Six-tool MCP server for Google PageSpeed Insights & Chrome UX Report APIs. Analyze, compare, and optimize web performance directly through Claude, Cursor, or any MCP-compatible AI client.

Drop-in WebP, AVIF, and JPEG XL delivery for TYPO3 images — automatic, no URL or template changes

Claude Code plugin for Divi 5 development (current: Divi 5.13). Slash commands and agents for selector lookup, CSS generation and validation, page-section scaffolding, project CSS audits, responsive, accessibility and Core Web Vitals checks, error diagnosis, and a self-refreshing Divi knowledge base.