web-performance

Высококонверсионный B2B-лендинг платформы автоматизации процессов с интерактивным калькулятором ROI, умным квизом и адаптивной анимацией. Next.js 16,...

Production landing for omen-it.tech: zero-framework front-end with a streaming SSE concierge that qualifies leads with an LLM and hands them to a huma...

Analyze a .har file in your browser and get a ranked punch list of what's slowing your page.

Node.js CLI to optimize images, CSS, JS, and SVG locally — smart WebP/AVIF routing, incremental cache, and a CI quality gate. MIT.

State of Web Vitals MCP — free remote MCP for Core Web Vitals by CMS, CDN, and framework. No auth.

Browser-side UI performance testing for the ShopLite demo storefront — Core Web Vitals via sitespeed.io, streamed to InfluxDB + Grafana. The frontend...

Performance-engineering pack for AI-built apps: catch N+1, SELECT *, unbounded queries & blocking calls as you code, then load-test with k6. Next.js +...

A premium interactive portfolio showcasing software engineering projects, AI systems, and modern web experiences.

✨ Premium React 19 & GSAP landing page with fluid desktop motion design and a highly-optimized, lightweight mobile experience. Built with Tailwind v4...

Free website performance grader — check your site's speed, SEO, accessibility. Get a detailed report.

Portfolio de développeur bilingue (FR/EN), minimaliste et optimisé SEO - rapide, zéro-JS, typographie inspirée du LaTeX. Réalisé avec Astro & TypeScri...

Assert a Lighthouse / PageSpeed Insights report against a performance budget. Zero-dep TS library + CLI for CI.

Comprehensive notes, code snippets, explanations, and hands-on examples covering k6 Performance Testing, Grafana Cloud, Prometheus integration, Scenar...

Персональный сайт-резюме radif.ru: vanilla ES6, CSS-nesting, PWA, JSON-LD @graph (Person, WebSite, ProfilePage, SoftwareSourceCode), SEO (OpenGraph, r...

An interactive and modern web-based calculator built with HTML, CSS, and JavaScript. It supports basic arithmetic operations, advanced functions like...

Reproducible benchmark harness that builds the same deterministic sample content across static site generators (Astro, Eleventy, Hugo, Jekyll) and rep...

Slice a short video into a drop-in WebP scroll-animation package — premier motion for any repo, no token burn. Core-Web-Vitals friendly.

Performance testing suite — Apache JMeter load/stress test plans + Lighthouse (Lighthouse CI) web performance auditing, with HTML dashboards and a wee...

One-packet portfolio. A single dependency-free HTML page where every claim is checkable.

CLI that reports per-route JS/CSS bundle weight against budgets, flags heavy third-party packages, and suggests code-splitting boundaries — from a bui...

Landing Page institucional premium focada em advocacia corporativa de alta complexidade. Desenvolvida em arquitetura modular com Vite, Sass (Modern Mo...

Real-time uptime monitoring agent for production websites. Checks availability every 5 minutes, tracks performance metrics, and delivers monthly rep...

Source for derekhuynen.com: a fast, accessible, zero-framework portfolio. Vanilla TypeScript + Vite on Azure Static Web Apps.

Landing de estación de servicio — demo de portafolio. Astro 6 (estático) + TypeScript strict + Tailwind v4 + React 19. Accesible, responsive y con mod...

Self-hosted website performance analyzer — Lighthouse scores, Web Vitals, network waterfall, and AI insights.

✦ Local esbuild and Webpack bundle analyzer with D3 treemaps, budgets, duplicate detection, baseline comparison, Preact, and Tailwind CSS 4.

⚡ Ultra-performance portfolio built with Tailwind v4 and Vanilla JS. Features a custom high-density grid, dynamic telemetry stats, localized multi-ch...

Portfolio personale di Smailen Vargas, Frontend Developer: SPA moderna costruita con React 18, TypeScript strict, Vite e TanStack Router. UI responsiv...

Claude Code skill: senior-level frontend building and review - components, design review, accessibility (WCAG 2.2 AA), responsive layout, Core Web Vit...

One-stop installer and control panel to start, stop and open three sitemap-driven website scanners: accessibility (axe-core/WCAG), PageSpeed (Lighthou...

CLI + GitHub Action that crawls a deployed page and audits caching headers (immutable hashed assets, Cache-Control, ETags, CDN hints), flagging miscon...

Production-grade performance patterns for React, Next.js, Node.js, Express & NestJS - detect, diagnose, and fix at every layer.

TypeScript CLI for running Lighthouse audits and generating HTML, JSON, and summary reports.

Crawls deployed websites or local static sites to extract accessibility, SEO, link health, performance, and validity signals from rendered HTML.

We build high-converting Shopify stores engineered to decrease CAC and maximize LTV for ambitious D2C brands. Check our Shopify SEO checklist.

Zero-dependency Python CLI for website QA, accessibility, SEO, and AI-search readiness reports.

WordPress plugin that speeds up next-page loads by prefetching and prerendering links via the browser's native Speculation Rules API, improving UX and...

A high-end, proprietary interactive landing page showcasing advanced 3D multi-layered parallax effects and fluid cinematic animation tracks driven by...

Professional‑grade bulk image compressor that runs entirely in your browser

GitHub Action that diffs frontend runtime behavior between PRs — captures FCP, LCP, CLS, bundle size, and a11y violations via Playwright + axe-core

A collection of Claude Code agent skills (JavaScript), starting with pagespeed-optimizer: a phased, verification-gated PageSpeed/Lighthouse optimizer....

Grades any static-site build (Astro, Hugo, Eleventy, Jekyll, Next, Nuxt, Gatsby) for production readiness — broken links, missing meta, mixed content,...

Fast, browserless CLI that audits a URL's HTML and response headers for common frontend performance issues. Findings link to explainers on frontend-pe...

Intent-aware prefetching — predicts where the cursor is headed and prefetches/prerenders the link before the click. Zero-config, ~3.5KB.

Seamless transitions from Magento, WooCommerce, or legacy Shopify themes — with zero data loss, full SEO equity preservation, and a guaranteed perform...

Drop-in Lighthouse CI performance budget and GitHub Actions workflow for fast Astro marketing sites. Real lighthouserc.json with Core Web Vitals and r...

🚀 A high-performance, premium portfolio template built with Vue 3, TypeScript, and Tailwind CSS v4. Features modern glassmorphism UI, multi-language...

Landing page conceitual hiper-otimizada (99/100 Lighthouse) do Bugatti La Voiture Noire. Desenvolvida com HTML, Tailwind CSS, GSAP e JavaScript Vanill...

Protótipo experimental para comparar o desempenho front-end de duas versões de uma aplicação web, com coleta de métricas pelo Lighthouse.