Building Interactive Comparison Tools with Vanilla JS — No Framework Needed
Ever found yourself needing to compare a dozen options side by side — mobile plans, broadband packages, credit cards — and wished there was a simple f...
Profiterole1w ago
Ever found yourself needing to compare a dozen options side by side — mobile plans, broadband packages, credit cards — and wished there was a simple f...
Hey! I'm Roi, and I run a small software studio called RoiSoftStudio out of Spain. I've been building stuff on the web for a while now — some of it us...
I just hit 100 articles about web scraping on Dev.to. Here are the key lessons. Lesson 1: APIs Beat HTML Parsing 95% of the Time Most popular websites...
Testing Strategies for TypeScript APIs That Actually Catch Bugs Most API test suites are theater. They test that 200 OK is returned for valid input, b...
I just published my 100th article on web scraping. Here is the complete index. By Platform E-Commerce Amazon eBay Shopify Etsy Walmart Social Media Yo...
Every REST API needs input validation and documentation. Most teams treat these as separate concerns — writing Joi schemas for validation, then manual...
Pinterest has 450M+ users and billions of pins with rich visual data. Pinterest API (Official) Pinterest v5 API requires approval but is free: async f...
Financial data scraping powers trading bots, dashboards, and research tools. Yahoo Finance (Unofficial, Free) async function getStockQuote ( symbol )...
TL;DR Install and write a model class. Use useModel to create/subscribe in React. Use provide for shared instances. 1) Install pnpm add @e7w/easy-mode...
App reviews contain product insights worth thousands in user research. Google Play Reviews No official API, but data is accessible: // Google Play has...
Every AI coding tool today has the same blind spot: it can't see what its code looks like when rendered. Think about it. When you give Cursor, Claude,...
Twitter/X API is expensive now. Here are alternatives. Twitter API Pricing (2026) Free: 1,500 reads/month (useless) Basic: $100/mo (10,000 reads) Pro:...
Spotify has a free Web API with generous rate limits. Spotify Web API // Get access token (client credentials flow) async function getSpotifyToken ( c...
I just published a new guide about SharedArrayBuffer and how it changes the way we think about concurrency in the browser. This is not just about “sen...
Government data is free, legal, and structured. Here are the best sources. US Government APIs data.gov (10,000+ datasets) https://catalog.data.gov/api...
Most people assume that once a backlink is indexed, it should start improving rankings. That assumption is wrong. I’ve tested this across multiple pag...
Most news sites dont offer RSS anymore. Build your own. Strategy 1: Find Hidden RSS Many sites still have RSS feeds: https://site.com/feed https://sit...
The Problem Angel investors and micro-VCs spend 5–10 hours per deal manually gathering intel: founder backgrounds, market comps, risk flags, and decis...
Weather data is valuable for agriculture, logistics, and energy companies. Open-Meteo (Best Free Option) No API key needed: async function getWeather...
SEO audit tools charge $50-200/month. Build your own for free. What to Check async function auditPage ( url ) { const res = await fetch ( url ); const...
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