openreplay / openreplay
Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.
openreplay / openreplay
QwikDev / partytown
Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉
GoogleChrome / web-vitals
Essential metrics for a healthy site.
crawlseo / crawlseo
Open-source SEO monitoring. GSC + Site Crawler + Core Web Vitals in one dashboard.
unjs / fontaine
Automatic font fallback based on font metrics
nucliweb / webperf-snippets
Tested JavaScript snippets that measure and debug web performance. Your AI agent runs them for you, or you run them yourself in DevTools: the same code every time.
retlehs / quien
A better whois and domain intelligence toolkit
basics / nuxt-booster
nuxt-booster will help you to improve the lighthouse performance score (100/100) of your website. 🚀
nuxt / fonts
Plug-and-play web font optimization and configuration for Nuxt apps.
umutxyp / Seo-Promt-Master
🔍 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.
avansaber / seo-monster
SEOMonster: a local, user-credential-driven MCP server for SEO workflows over Google Search Console, GA4, PageSpeed Insights, and Cloudflare. Read-first, open source.
aleksandr-alhoff / seo-landing
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
CycleChain / CycleWire
Zero-initial-JS selective activation engine. Turn server-rendered HTML into instant interactivity on intent.
Terrenceeeee / AI-frontend-engineering-starter
34 个核心 Demo + 3 个附录，覆盖前端工程化全链路：pnpm/Vite/ESLint/Husky、分包懒加载、CI/CD、Vitest/Playwright、性能监控、请求池/重试、Service Worker、AI 辅助 PR Review、知识图谱可视化、VS Code 插件与 Agent 自动修复。Vue 3 + TS + Vite + pnpm 实战。等核心工程化能力。每个 Demo 都可运行、可验证、有踩坑记录。适合有一定前端基础的工程师步步为营的进阶学习与团队基建参考。
AndyShiu / claude-skill-playwright-browser
Claude Code skill: a background Playwright browser for screenshots (desktop/tablet/mobile), frontend health checks, visual diffs, scripted UI flows and logged-in pages — in any project. ｜ 讓 Claude Code 擁有背景瀏覽器：多尺寸截圖、前端健檢、視覺比對、操作流程與登入頁面，適用任何專案。