Profiling a Slow React App: A Real Flame Graph Walkthrough
Learn how to diagnose React component re-render performance bottlenecks using React DevTools Profiler flame graphs, useMemo, and React.memo.
8/6/202626 min read
#Performance
141 articles tagged with Performance
Reducing Cold Start Time on Serverless Functions
Learn how to optimize AWS Lambda, Cloudflare Workers, and Vercel serverless function cold starts from 1,200ms down to sub-50ms.
8/6/202626 min read
Edge-Native Databases: The End of Centralized Data in 2026
Why are we still sending database queries across oceans? Explore the architecture of edge-native relational databases, SQLite VFS replication, Cloudflare D1, Turso LibSQL, and achieving global sub-5ms read latencies.
8/3/202624 min read
Sol vs Terra vs Luna: Picking the Right GPT-5.6 Tier for Your App
Optimizing AI latency and token budgets. Read a technical comparison of GPT-5.6's new model tiers, pricing updates, and how to build a dynamic model-routing gateway.
8/1/202623 min read
TypeScript's Native Compiler: Benchmarking the Real Speedup
No more build-time coffee breaks. Read a technical breakdown and performance benchmarks of TypeScript 7.0's Go-native compiler and Rust tooling.
8/1/202623 min read
Vite's 98% Developer Satisfaction: What It Still Gets Wrong
Behind the speed metrics. A technical analysis of Vite's legacy dual-engine architectural friction, plugin registry fragmentation, and how Vite 8 resolved it with Rolldown.
8/1/202623 min read
Why Edge Deployment Became the Default Frontend Target in 2026
The end of origin latency. A technical analysis of V8 isolates, edge-side rendering (ESR), and how modern frontend frameworks are designed for edge nodes.
8/1/202623 min read
Optimizing Next.js 14/15 on Cloudflare Workers: OpenNext Memory Limits & Sub-50ms TTFB
Conquer Cloudflare Workers' 128MB memory ceiling. Learn how to tune @opennextjs/cloudflare, optimize asset bundles, fix 5xx memory exhaustion errors, and achieve global sub-50ms TTFB.
7/21/202615 min read
Partial Prerendering (PPR) in Next.js 15: Combining Static Speed with Dynamic Streaming
Eliminate the dynamic vs static trade-off. Learn how Next.js 15 Partial Prerendering streams dynamic UI inside static shells with zero client-side fetching runtime cost.
7/20/202614 min read
React 19 Compiler: Goodbye useCallback & useMemo, Hello Auto-Memoization
The React Compiler is standard in React 19. Learn how the Babel/SWC build tool automatically memoizes component props, state, and callbacks without manual dependency arrays.
7/20/202614 min read
SwiftUI vs Flutter in 2026: Performance, Developer Experience & Architectural Trade-offs
Choosing between native iOS (SwiftUI) and cross-platform (Flutter) in 2026? An in-depth engineering comparison covering Impeller vs Metal rendering, compile times, state management, and maintenance costs.
7/20/202615 min read
React Native 0.75 New Architecture: Real Performance Benchmarks & Migration Guide
React Native's New Architecture is the default in 0.75. Here are real benchmark numbers, the JSI vs Bridge comparison, and a step-by-step migration guide from the Old Architecture.
7/19/202615 min read