wsh2026

Crok AI chat rendering optimization — SSE debouncing, ChatMessage memoization, Markdown re-render prevention

DM page and flow optimization — afterSave hook, message rendering, unread count queries for WSH 2026

Home page performance optimization — Post defaultScope, SSR data reduction, lazy media hydration for WSH 2026 CaX app

Lazy loading modal containers and route components to reduce initial bundle size — CrokContainer, NewPostModalContainer

SSE streaming optimization — batching char-by-char events and debouncing React re-renders for Crok AI chat performance

Runs Visual Regression Testing (VRT) locally to prevent disqualification in Web Speed Hackathon. Captures screenshots, compares against baselines, updates snapshots, and validates visual integrity after performance optimizations. Use when optimizing WSH apps, running VRT checks, updating VRT baselines, or investigating VRT failures.

Optimizes deliberately slow web applications for maximum Lighthouse scores in Web Speed Hackathon (CyberAgent). Use when participating in WSH or performing aggressive frontend performance optimization on React/Node.js apps with SQLite backends. Covers bundle reduction, image optimization, Core Web Vitals, server tuning, and known competition traps.

Code splitting strategies for WSH 2026 — React.lazy, Suspense, splitChunks, and route-based splitting for the CaX app.

Removing artificial delays in Crok AI chat SSE endpoint for WSH 2026 user flow scoring.

Strategies for removing bloated WASM/JS dependencies in WSH 2026 — FFmpeg, ImageMagick, Web LLM, jQuery, moment, lodash, core-js, regenerator-runtime, and related replacements.

Font optimization for WSH 2026 — font-display swap, font subsetting, WOFF2 conversion, and preloading for ReiNoAreMincho and KaTeX fonts.

Image optimization for WSH 2026 — AVIF/WebP conversion, image resizing, GIF-to-video conversion, lazy loading, and CoveredImage component refactoring.

Replacing jQuery with native fetch API in WSH 2026. Covers async:false sync XHR replacement, fetchBinary, fetchJSON, sendFile, sendJSON, and ProvidePlugin removal.

Webpack production mode, source map removal, minification, and optimization flags for WSH 2026. Covers mode, devtool, minimize, splitChunks, concatenateModules, usedExports, and Babel target modernization.

Fixing React mount timing in WSH 2026 — changing from window.load to DOMContentLoaded for earlier hydration.

Server-side optimizations for WSH 2026 — compression (gzip/brotli), cache headers, static asset caching, artificial delay removal, and Express tuning.

Replacing Tailwind CSS browser runtime with build-time CSS generation for WSH 2026. Covers @tailwindcss/browser removal, PostCSS or CLI integration, and Tailwind v4 config migration.

Analyzes a Web Speed Hackathon project, researches each improvement topic in depth, stores research as Agent Skills, and generates executable Claude Code commands for each optimization. Use when starting WSH optimization, creating an optimization roadmap, or generating executable improvement commands.