web-performance

Claude Code plugin that generates visuals belonging to the product they are for, and builds them on the stack that job actually calls for.

Performance-focused video archive using Cloudflare R2 and Backblaze B2, with adaptive HLS previews and Service Worker-powered loading.

Personal portfolio — Next.js 16, React 19, GSAP, WebGL. Performance-first.

An independent benchmark measuring how respectfully major news websites treat their visitors.

An agent workflow where the agent's output isn't trusted — every phase ends in a numeric check, and an audit gate blocks claims that can't be substant...

Free Page Speed Revenue Calculator - Estimate revenue gains from faster page load times

Lighthouse scores for five studio websites, four runs each. The worst run is the published figure. No run discarded.

Photographs by Magnus Rødseth.

Skill Claude Code : audite un site public (TLS, headers de sécurité, performance) via testssl.sh, MDN HTTP Observatory et Lighthouse

Evidence-first developer skills for PHP, Drupal, HTML, CSS, JavaScript, CMS delivery, web performance, audits, and defensive security.

Free CLI that audits a live Shopify store: SEO, structured data, Open Graph, security headers, accessibility basics, and performance signals.

Official site of the Zielinski & Rozen art galleries, Tel Aviv — hand-built static site (~230 pages, 42 artists) with responsive AVIF+WebP image deliv...

Evidências, dados e scripts reprodutíveis da comparação técnica Lighthouse desenvolvida no TCC do MBA ECA-USP em Gestão e Transformação Digital.

Engineering a 1,067-brand commerce storefront — shared-file decomposition, AJAX filter state, and three documented failures at platform-native offload...

Portfólio de Ciélio Queiroz — Next.js 15 (App Router, RSC), TypeScript e Tailwind. Bilíngue PT/EN, 5 estudos de caso, DRE interativa, 145 testes e orç...

Public source snapshot of Samuel Caetité's multilingual portfolio, built with HTML, CSS, Node.js, and Firebase Hosting.

Portfólio profissional de Engenharia Front-End com arquitetura Vanilla Web Stack, alta performance, Design System modular, integração com GitHub REST...

Marketing site for a local pressure-washing business — hand-written HTML/CSS/JS, zero dependencies, no build step. WCAG AA verified, deployed to GitHu...

Chrome extension that audits every image on the page you're looking at — natural vs rendered size, oversized-image detection, CSS backgrounds included...

My portfolio — React 19 and Vite, prerendered per route so social scrapers get real metadata, with a deferred WebGL avatar that only loads where it ea...

Unofficial redesign concept for the gurlex.sk homepage. Same content, 9.8 MB -> 237 KB. Static HTML/CSS, no build step.

Landing page for DSX built with React + Vite, tuned with Lighthouse performance audits

Official Open Source Software Portal & Chrome Built-in AI Specification Hub by Brandon Hubbard.

Evidence-led, approval-aware agent skills for debugging, architecture, performance, and safe skill curation.

PWA ultrarrápida (móvil-first) para exploración y descubrimiento de cine y series. Construida con TypeScript, Vanilla CSS, Vite y Supabase (PostgreSQL...

Projeto de Website: Agência de Desenvolvimento Web

Pre-launch checklist tool for web developers, freelancers and agencies. Runs entirely in your browser.

Scroll-driven landing page for toggle apps, built from Figma: GSAP ScrollTrigger pins and parallax, Lenis smooth scroll, Vite, SCSS with BEM, vanilla...

Find the image bytes you can save: oversized images, missing width/height, missing alt, WebP/AVIF savings, lazy-loading and LCP image issues, per page...

Check image dimensions across a whole site. Finds every <img> without width and height, or with the wrong size, prints the exact fix and stops layout...

A web accessibility auditing tool for detecting common WCAG violations, reviewing accessible HTML and ARIA usage, and helping developers build inclusi...

Lightweight, zero-dependency web performance profiling suite and diagnostic tool.

PSI alternative version for developer needs

次世代WebP画像一括可逆/非可逆変換・Web表示超高速軽量化GUIツール（Windows専用・完全オフライン）

Check exported HTML images offline for dimensions, alt and loading declarations, format policy, and byte budgets.

Decision-support diagnostic for JS dependency inventory, bundle-risk signals, and labeled delivery-cost estimates.

Portfolyo sitesinin kaynağı — mine-creative-dev.vercel.app. Derleme adımı olmayan, elle yazılmış iki dilli statik site: 18 sayfa, tek stil dosyası, 4...

Next.js multi-tenant commerce storefront showcase with dynamic templates, theming, caching and performance-focused architecture.

Compare two HAR captures locally. Explain network changes and export a privacy-conscious report for your issue or pull request. Browser app + dependen...

Find which ad slot is costing you Core Web Vitals. Attributes CLS and main-thread blocking to individual ad slots, including content pushed down by an...

Static commercial site for an AI consultancy. Astro 5 + Tailwind 4, 102 KB first load, no cookies, no backend.

Web performance dashboard with a server-side PageSpeed Insights integration, comparison views, saved analyses and PDF/JSON/CSV exports.

Site oficial da Ritmo & Melodia Instrumentos Musicais e Luthieria, em Bragança Paulista — Next.js, React e TypeScript, com deploy estático.

Static RequireJS bundle planner for Magento 2. Works out what each page type loads by reading the codebase. No browser, no Node, no running store.

High-converting 24/7 emergency electrical contractor landing page for Manchester, UK. Built with React, Tailwind CSS, Local SEO Schema, and 95+ PageSp...

Next.js 16 site for a four-room B&B in Puglia. TypeScript, Tailwind v4, server-side i18n, and sub-1MB room video.

Compare network waterfalls across builds and show changed request costs.

How much weight could this site's images lose? One command finds oversized, heavy and outdated-format images, and estimates what you would save.

Markdown reports documenting a web performance audit of the Discover Tunisia website using Core Web Vitals and PageSpeed Insights

CLI that runs Lighthouse performance audits locally.