Calling redirect() Inside a Suspense Boundary Doesn't Undo What Already Streamed to the Browser
Streaming is one of the genuinely great things about the App Router, the browser can start receiving and rendering parts of a page before every sing…
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How I Built a Free, 100% Client-Side Gemini & Veo Video Watermark Remover Using Inverse Alpha Math
If you've generated images with Google Gemini (Imagen 3) or videos with Google Veo 3 , you've probably noticed the visible semi-transparent 4-pointe…
Building 60fps Canvas Particle & Drift Animations in Next.js 15
Interactive visual effects—such as ambient drift particles, soft glow repulsion, and floating background dynamics—can elevate web applications. Howe…
How to Accelerate Next.js App Router API Routes by 10x
Next.js App Router brought powerful server-side capabilities with React Server Components (RSC) and standard Route Handlers ( app/api/route.ts ). Ho…
Architectural Breakdown: Building Next-Gen Agentic Architectures: From Local RAG to Sandboxed Execut
Building Next-Gen Agentic Architectures: From Local RAG to Sandboxed Execution and BigQuery MCP The 3 AM production fire revealed a harsh truth: mod…
Hello World!
Hello everyone! 👋 Happy to be joining the DEV community. I’m a Computer Engineering student based in Italy. My main focus is Cybersecurity, but I st…
Your NEXT_PUBLIC secret is already in the browser bundle
Problem In a Next.js app it’s easy to slip a secret (e.g., STRIPE_SECRET_KEY , OpenAI API key, Supabase JWT) into a client‑side bundle. When a serve…
Your Supabase Storage bucket is public - signed URLs will not save you
Problem You are generating private B2B images with Sharp in a Next.js API route and storing the derivatives in Supabase Storage. The bucket that hol…
Next.js + Node.js: Where Do You Draw the Line?
I've been building a few applications with Next.js and Node.js, and one thing I keep coming back to is: How much backend logic should actually live…
Replacing Algolia with an In-Memory Search in Next.js 14
The most satisfying commit of our migration off Contentful was the one that only deleted things. Out went the Algolia client, the sync route that pu…
Structured Logging in Next.js with Pino (Request IDs to stdout)
A request failed in production at 02:14 and the only thing you have is console.log("error", err) somewhere in a route handler. You cannot tell which…
I Built a Multi-Tenant SaaS Where Customers Never Need an Account
TL;DR I built Arac Saglik Karnesi (Vehicle Health Card), a free digital service-history tool for auto repair shops in Turkey. Every vehicle gets an…
Designing a Cross-Device Workout Workflow Around YouTube Timestamps
Saving a YouTube workout and using it in a repeatable training system are different product problems. A bookmark preserves a URL. A training workflo…
The CSP that killed our own form (a production-only Next.js bug)
A user wrote to us with the kind of bug report that makes your stomach drop: "The forgot-password form is not working at all." Not "it's slow." Not…
Building a 100% Serverless Disposable Email Platform with Cloudflare D1 & Next.js 15
Hey DEV Community! 👋 As developers, we've all been there: you're testing a signup flow, but you don't want to clutter your personal inbox, and exist…
Next.js Performance Optimization: Get 95+ PageSpeed Scores in 2025
Why Performance Matters More Than Ever Google's Core Web Vitals have been a ranking factor since 2021. But beyond rankings, performance is user expe…
What I Actually Had to Change When Moving to React Server Components
Originally published at parvejshah.com/blog/nextjs-16-turbopack-deep-dive by Parvej Shah . When Next.js introduced the App Router with React Server…
How We Got Voice AI Response Times Under 1.8 Seconds on Real Phone Calls
Originally published at parvejshah.com/blog/architecting-sub-18s-voice-ai-pipelines by Parvej Shah . There's a specific type of frustration that's h…
A Typed MDX Content Pipeline with Velite (Next.js Tutorial)
Most Next.js blogs read MDX at request time, hand you frontmatter as any , and discover a missing date or a typo in a tag when the page 500s in prod…
Malware that runs the moment you open the project
"A dropper family committed straight into developer repos. It executes on next dev or when VS Code opens the folder — no npm install needed. How it…
Building an Open-Source AI-Assisted International Job Search Platform
Building an Open-Source AI-Assisted International Job Search Platform Finding a job in another country is more complicated than searching for a job…
Headless CMS setup: when it makes sense and when it doesn't
A headless CMS setup is not automatically the right call. It is a specific architectural trade-off that pays off under certain conditions and quietl…
Architectural Breakdown: Can AI Remember What It Sees?
![ Architecture Diagram ]( https://image.pollinations.ai/prompt/high+performance+cloud+systems+Can+AI+Remember+What+It+Sees%3F+round+3?width=800&…
Next.js: Is Pushing Web Performance Toward "Instant" Navigation Without Giving Up Server Components
Next.js 16.3 introduced a broader Instant Navigations architecture designed to make transitions feel closer to a client-side SPA while preserving th…
Sync Enterprise Data: React Query + Server Actions 🔄
The Gap in the App Router Caching System The Next.js App Router introduced a revolutionary, multi-tiered caching system. Between the Data Cache, the…
Architectural Breakdown: We fixed the eval platform we're competing on: a TypeError that crashed thr
We Fixed the Eval Platform: The TypeError That Took Down Three Benchmark Pipelines At 3 AM, Sentry lit up with TypeError: Cannot read property 'map'…
Building PickTool with Next.js and Laravel: Lessons from Creating a Software Discovery Platform
Finding software is easy. Finding the right software is not. Search for almost any category—email marketing, CRM, productivity, design, or AI—and yo…
Google indexed 428 of my 1,432 generated pages and none of my 2,290 handwritten ones
I spent yesterday planning to delete the best part of my site. I run a calculators-and-tools site, solo, five months old. About 5,800 pages across f…
How I built FastMedia Downloader: A microservices architecture with FastAPI, Next.js, and Docker
Hey devs! 👋 I recently built and open-sourced FastMedia Downloader , a full-stack platform designed to inspect and extract multimedia content from o…
Building a Live, User-Controlled Canvas Background System That Doesn't Kill Low-End Phones
The idea Most apps give you a static background. I wanted Pairly to feel alive instead, so I built "Atmosphere": a real-time animated Canvas layer t…