All
Articles 185,893Blog Posts 168,951Tech Tutorials 49,786Research Papers 36,210News 22,932
⚡ AI Lessons

Dev.to · Mark
🌐 Frontend Engineering
1mo ago
6 Pitfalls of Building a Multilingual Site with Next.js 15: From Query Strings to URL Paths
I built a 150+ tool website with Next.js 15 on Cloudflare Pages (utlkit.com). Half the traffic was...

Dev.to · Mark
🌐 Frontend Engineering
⚡ AI Lesson
1mo ago
Next.js 15 Dark Mode Without the Flash: From Hydration Error to Zero-Flicker
I built a 100+ tool website with Next.js 15 on Cloudflare Pages. I thought implementing dark mode...

Dev.to · Mark
🌐 Frontend Engineering
⚡ AI Lesson
1mo ago
Cloudflare Cache Hit Rate: 7% to 90%
Cloudflare Pages Cache Hit Rate at 7%? I Brought It to 90% with 3 Rules After deploying...

Dev.to · Mark
🌐 Frontend Engineering
⚡ AI Lesson
2mo ago
Sentry Source Map Upload Debugging: From 0% Adoption to Full Resolution
After integrating Sentry error monitoring, Release Adoption stayed at 0%, and Source Maps never...

Dev.to · Mark
🌐 Frontend Engineering
⚡ AI Lesson
3mo ago
The third enum variant that stopped my tax calculator from lying
Modeling 51 US tax jurisdictions in TypeScript, and why a "we don't know yet" state mattered more than the brackets themselves.

Dev.to · Mark
🌐 Frontend Engineering
⚡ AI Lesson
3mo ago
React 19 Hydration Mismatch in Static Export
📚 This is Part 3 of the UtlKit Tech Series — Part 2 covers the architecture & trade-offs → Read...

Dev.to · Mark
🌐 Frontend Engineering
3mo ago
150+ Tools with Only 2 Layout Components: UtlKit Architecture Design
150+ Tools with Only 2 Layout Components: UtlKit Architecture Design UtlKit Series Part...

Dev.to · Mark
🌐 Frontend Engineering
⚡ AI Lesson
3mo ago
I Spent 2 Months Building a 150+ Tool Website with $0 Server Cost
📚 This is Part 1 (Opening) of the UtlKit Tech Series — Next: [Architecture & Trade-offs...
DeepCamp AI