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Best Website Analysis APIs for Developers (2026 Guide)

Best Website Analysis APIs for Developers (2026 Guide)For developers who need comprehensive website intelligence in a single API call, WebSight API stands out by combining 7 analysis modules at $0.005/page. In 2026, the landscape of web data has shifted from simple scrapers to sophisticated intelligence engines. Modern applications—ranging from AI-driven lead generation tools to automated SEO auditors—require more than just raw HTML. They need structured, multi-dimensional data that covers

CSS Scroll-Driven Animations: The End of JavaScript Scroll Listeners

CSS Scroll-Driven Animations: The End of JavaScript Scroll ListenersScroll-driven animations used to require JavaScript. You'd attach a scroll event listener, calculate how far through the page the user had scrolled, and update a CSS property or animation timing function on every frame. It worked, but it was verbose, ran on the main thread, and couldn't benefit from browser optimizations like compositor-only properties.That's changing. The CSS Scroll-Driven Animations specification — now s

CSS-in-JS is Dead. Long Live CSS Modules and Vanilla Extract

CSS-in-JS is Dead. Long Live CSS Modules and Vanilla ExtractBy Wilson Xu — 2,600 wordsThe CSS-in-JS era is over. Not dead like Flash — dead like jQuery: still running on millions of sites, but no longer the answer to new projects. Styled-components and Emotion served us well. They solved real problems. But in 2026, with React Server Components, streaming SSR, and edge runtimes, their runtime overhead and server-component incompatibility make them the wrong default.This isn't a hot take. It

HTTP Caching in Node.js APIs: ETag, Cache-Control, and stale-while-revalidate Explained

HTTP caching is one of those topics where everyone knows it exists, few people implement it correctly, and almost nobody talks about the failure modes.This is the guide I wish existed when I was building my first API that needed to stay fast under load. What HTTP caching actually isHTTP caching isn't one mechanism. It's a family of related headers that tell clients and proxies what to do with a response. Getting them wrong means either stale data reaching users or your server hammered on ev

CSS Container Queries: The Layout Revolution You've Been Waiting For

CSS Container Queries: The Layout Revolution You've Been Waiting ForFor years, responsive web design meant one thing: media queries. You'd write breakpoints targeting viewport widths, and every component would reflow based on how large the browser window was. It worked well enough — until you started building design systems, reusable components, or complex layouts where the same card component could appear in a narrow sidebar or a wide main content area.The problem is fundamental. Media qu

CSS Container Queries: Real World Use Cases

CSS Container Queries: Real World Use CasesContainer queries are one of the most significant additions to CSS in recent years. Finally, after years of relying solely on viewport-based media queries, we can write component-level styles that respond to the size of their container rather than the entire viewport. If you've been building responsive layouts with media queries, you already understand the pain point: the same component needs different styles depending on where it's placed, and me

One Schema, Zero Drift: How Zod Keeps My Frontend and Backend in Sync

TypeScript catches a lot of bugs. But it has a blind spot: the network boundary. Your server returns { createdAt: string } instead of { created_at: string }, and TypeScript won't say a word. You'll find out at runtime, when the UI renders "undefined" where a date should be.This happens because TypeScript types are erased at compile time. They describe what your code expects, not what actually arrives over the wire. Your frontend type says User, but the API could return anything -- a different sh

Why I Chose Mantine Over shadcn/ui for Every Dashboard Project

I've built around a dozen admin panels and dashboards in the last year. For the first few, I used shadcn/ui. It's excellent software. But I kept hitting the same friction: every dashboard needed tables with sorting and pagination, form validation, toast notifications, date pickers, and dark mode. Each time, I was installing 5-8 additional packages on top of shadcn's primitives and wiring them together myself.Then I tried Mantine. I haven't gone back for dashboard work since.This isn't a "shadcn

Building Cross-Platform CLI Tools That Work Everywhere: macOS, Linux, and Windows

Building Cross-Platform CLI Tools That Work Everywhere: macOS, Linux, and WindowsYour CLI tool works perfectly on your MacBook. You push it to npm. Then the bug reports roll in: "crashes on Windows," "wrong path separator," "colors don't show up in PowerShell." You've just learned the hard way that building a CLI tool for your machine and building one for everyone's machine are two very different things.After shipping over 30 npm CLI tools — from websnap-reader (a headless page snapshot ut

Building Real-Time Collaborative Features with CRDTs and Yjs

Building Real-Time Collaborative Features with CRDTs and YjsBy Wilson Xu Introduction: The Problem Every Collaborative App FacesImagine two people editing the same document at the same time. Alice deletes the word "quickly" from a sentence. Bob, working on the same sentence from his laptop in Tokyo, inserts the word "carefully" right where "quickly" used to be. When both changes reach the server, what should the final document look like?This is the fundamental challenge of real-time c

Building a Real-Time Collaborative Editor with CRDTs and Yjs

Building a Real-Time Collaborative Editor with CRDTs and YjsPublished target: Smashing Magazine | Estimated read: 15 minutes | Topics: JavaScript, WebSockets, Real-Time Apps Introduction: The Hard Problem of CollaborationYou open a shared Google Doc with a colleague, both start typing at the same time, and somehow — magically — neither of you overwrites the other's work. Your edits appear in theirs, their edits appear in yours, and the document stays coherent even if the network flick

The Complete Guide to Config File Parsing in Node.js CLI Tools

The Complete Guide to Config File Parsing in Node.js CLI ToolsEvery serious CLI tool needs configuration. Users want to tweak behavior without passing twenty flags on every invocation. But configuration handling is deceptively complex: you need to support multiple file formats, merge settings from different sources, validate schemas, handle migrations, and protect secrets — all without making the developer experience painful.This guide covers everything you need to build production-grade c

Is it a pint?

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South Australia House Builders: Complete Guide to Building Your Dream Home

South Australia House Builders: Complete Guide to Building Your Dream HomeResidential Builders Port AdelaideSouth Australia House Builders: Complete Guide to Building Your Dream HomeBuilding a home is one of the most important life decisions for many families in Australia. The process of choosing suitable South Australia house builders becomes crucial when you want to construct either a contemporary home in Adelaide or a tranquil residence in the regional areas of South Australia. The home const

Show HN: Threadprocs – executables sharing one address space (0-copy pointers)

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React Server Components: A Complete Guide to the Future of React

React Server Components: A Complete Guide to the Future of ReactReact Server Components (RSC) represent the most significant architectural shift in React since hooks were introduced in 2019. But despite being stable in Next.js App Router since 2023, they remain one of the most misunderstood features in the React ecosystem. Developers confuse them with SSR, fight mysterious serialization errors, and unknowingly recreate the waterfall patterns they were trying to escape.This guide cuts throu

tRPC: End-to-End Type Safety Without the GraphQL Complexity

tRPC: End-to-End Type Safety Without the GraphQL ComplexityBy Wilson XuTarget: Smashing Magazine / LogRocket / Honeybadger (~2,800 words) IntroductionThere is a particular kind of pain that every TypeScript developer knows. You carefully type your backend response — every field, every nested object, every nullable edge case. Then you call the API from your frontend, and suddenly you're back in the land of any. Your carefully crafted types stop at the HTTP boundary. Welcome to type dri

Building Accessible React Forms Without a Library

Building Accessible React Forms Without a LibraryBy Wilson Xu — 2,700 wordsEvery React form library — React Hook Form, Formik, Zod-validated controllers — handles validation logic. None of them guarantee accessibility. You can have perfectly validated, zero-dependency forms that are completely unusable by screen reader users, keyboard-only navigators, and people with motor disabilities.This article is about building forms that work for everyone, from scratch, without pulling in @radix-ui/r

To Do App

Inteview question on Todo-App with following Requirements:Create a todo react app requirements: user should be able to add a todotodo should be listed on domuser should be able to update status of a todouser should be able to edit the textuser should be able to delete a todoimport { useState } from 'react';import './App.css';function App() { const [toDoValue, setToDoValue] = useState(''); const [toList, setToList] = useState([]); const handleAdd = () =&gt; { let newItem = { id: toList.leng

Building Real-Time Collaborative Apps with CRDTs and Y.js

Building Real-Time Collaborative Apps with CRDTs and Y.jsReal-time collaboration has become table stakes for modern applications. Users expect to see each other's cursors, watch edits appear instantly, and never lose work to a merge conflict. Figma, Notion, Google Docs, and Linear all deliver this experience seamlessly. The technology powering most of these applications? CRDTs — Conflict-free Replicated Data Types.If you've ever tried building collaborative features with naive approaches l