Ledger Room: I built a local invoice sorter, then measured exactly what the privacy costs
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle What I Built Ledger turns a folder of invoices and receipts…
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cutting N+1 queries in Next.js API routes with Supabase RPC
when a dashboard starts pulling relational data from Supabase, the naive approach is to fire a separate select per row. the result is a classic N+1…
Our marketing pages never read your session, so the header guesses from a cookie with useSyncExternalStore
Fetch the Nakodo home page with curl and the header offers you "Sign in" and "Start free". Open the same URL in a browser where you are signed in an…
We stopped asking Supabase who you are on every request, and the only thing that got worse is revocation
Munchable's marketing site and its 373 generated answer pages are statically rendered, and they still run a function on every request, because the h…
PostHog's endpoints end in a slash and Next.js strips trailing slashes, so our analytics path is a negative lookahead
Here is a two line experiment you can run right now. Both of these are reverse proxies in front of PostHog, on two sites built by the same person, i…
Твой GitHub никого не интересует. И резюме тоже
Неделю назад я запустил DevRaid — платформу, где разработчики подтверждают навыки через сдачу репозиториев. За это время через неё прошли 47 человек…
Oxlint vs Biome vs ESLint in 2026: Benchmarked on a Real Next.js Codebase
I ran ESLint 9 and 10, Oxlint 1.88 and Biome 2.5 on my own site's Next.js code (403 files) and measured speed, memory and what each migration keeps…
TuitionSetu: a tutor's Sunday of WhatsApp updates, written by Gemma on her own laptop
This is a submission for the Hacktoberfest Open-Source AI Challenge: Week 2, Side Hustle . What I Built Mita teaches Maths to 30 children from home.…
Using Vercel KV for a Simple Blog CMS — What I Learned After 100 Posts
Using Vercel KV for a Simple Blog CMS — What I Learned After 100 Posts I built a simple blog CMS on top of Vercel KV for my utility site. After publ…
8% of My Capterra Reviews Arrived as the Three Characters $62
I run a visa agency in Bali. The half of my week that is not visas goes into Apify Actors, and one of them reads B2B software reviews — Capterra, So…
when tRPC beats REST for fine‑grained data fetching in Next.js
in a midsize SaaS product we hit a scaling wall when dozens of React components started querying overlapping slices of a user record. each component…
How do I add x402 payments to an Express / Next.js API?
Quick answer: on Express, wrap routes with paymentMiddleware from @x402/express . On Next.js, use paymentProxy for page routes (or many routes at on…
I scanned 8 popular SaaS starter templates. 7 had launch-blocking patterns hiding in plain sight.
Most AI-built SaaS apps don't start from a blank file. They start from a starter template — clone, rename, add features, ship. So I ran a local laun…
The Math Behind Weighted Grades, in Next.js
I built a free grade calculator with Next.js, and the part that surprised me most was how little of it is framework code. Nearly all of the logic is…
Your rebuild will drop URLs. Google will tell you in six weeks.
A rebuild changes how pages are made. The old addresses stop existing without anyone deciding they should, and Google notices before you do. Here is…
Deploy a Next.js App Router App to Cloudflare Workers with OpenNext and a D1 Database
For a long time the honest answer to "can I run a full Next.js App Router app on Cloudflare Workers" was "sort of, with caveats." That changed with…
Node.js API Routes and Server Actions: 3 Error Tracking Boundaries (With Attribution)
Instrument three server-side boundaries, but define the cost-attribution record before choosing the error backend. For a customer-support pricing ru…
Claude Opus 5 Built a Full-Stack App From One Prompt: 64/64 Tests and 3 Invented Package Versions
Instead of reading benchmark charts, I gave Claude Opus 5 an empty folder and one prompt: build a full-stack app. I didn't write any of the applicat…
Next.js 15 Support Ends Oct 21: The Upgrade Changes Your Build Won't Catch
TL;DR: Next.js 15 leaves its support window on 21 October 2026. Run the upgrade codemod and the separate next-async-request-api codemod, then test t…
A prefetch of our pricing page is a different URL, and our auth check nearly sent it to the login page
Our auth boundary is an allowlist. src/proxy.ts (Next 16 renamed middleware.ts to proxy.ts ) refreshes the Supabase session and sends signed-out vis…
Our comparison pages have a required field for where the competitor wins, and 13 of 49 rows say it is them
Notifio is a £20 desktop app that watches rental search pages and alerts you when a new listing appears. It competes with several subscription servi…
Freelancing from Pakistan as a Web Developer in 2026: The No-Fluff Playbook
Pakistani freelancers pulled in a record $1.76 billion in foreign exchange during FY26, up 78% from the year before, with IT freelancers contributin…
Multi-tenant SaaS with branch-level RBAC in Next.js + Node: a practical architecture
Tenant scoping that fails closed, permissions that know about branches, and the tests that keep both honest. Key takeaways Resolve the tenant from t…
I moved my webhook work into waitUntil() to fix a timeout. The failures didn't go away, they just stopped being visible.
My GitHub App takes a pull request, asks an LLM to review it, and posts the comments back. The first time I ran it end to end against a real reposit…
I built a face-rating tool that never sees your photo — here's what I learned about on-device ML
Why I Built This A friend told me his face shape was better than mine. I'm not going to argue with him — I have no data. So I went looking for one o…
CVE-2026-94545 Explained: What Happens When an OG-Image Generator Forgets to Escape
Overview Item Detail CVE ID CVE-2026-94545 Affected product Next.js next/og 's ImageResponse (Node.js runtime); root cause lives in Vercel's Satori…
The 4 Stripe webhook mistakes that silently break paid signups (and how to fix them in Next.js)
Most "Stripe checkout works locally but customers don't get access" bugs come down to the webhook handler. Here are the four I keep seeing: 1. Parsi…
URL на два режима, modal поверх списка и SEO detail page в Next.js App Router
Карточка в каталоге обычно ведёт на detail page. Для прямого перехода нужен отдельный URL вроде /events/123 . Для просмотра нескольких карточе…
A headless CMS that only gives you an API is only half a product
This is how most headless CMS projects go for me. I pick a tool, set up my content models, and get an API. Nice. Then I sit down to build the actual…
Architecting Programmatic SEO with Next.js 16: Scaling 500+ High-Performance Routes
Programmatic SEO sounds simple in theory: take a structured dataset, map it to a parameterized URL template, and generate hundreds of targeted landi…