HTTP Requests for Web Scraping: The Foundation Most Tutorials Skip
Web scraping starts with an HTTP request. Before parsing, before selectors, before data extraction, there is a single message sent from your machine to a server. If that message …
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Web Scraping with PHP in 2026: Best Libraries, Modern Parsing, and Production-Ready Practices
PHP is still a strong language for web scraping if your stack already lives in PHP. The biggest 2026 update is not just “use cURL and DOMDocument.” Modern PHP …
Scrapy vs Selenium: Which One Should You Use for Web Scraping in 2026?
If you are comparing Scrapy vs Selenium, the short answer is simple: Scrapy is usually the better choice for large-scale, structured data extraction, while Selenium is the better choice when a real …
Node Unblocker: A Practical Guide for Building a Real Node.js Web Proxy
If you need a Node.js proxy that can rewrite links, preserve cookies, keep AJAX requests inside the same proxy flow, and still give you room to add custom middleware, …
API Throttling vs API Rate Limiting in System Design: What Actually Matters in Production
If you’ve ever watched an API stay healthy during a traffic spike, it usually wasn’t luck. It was traffic control done right. That’s where people often mix up API throttling and API …
Rate Limit in Web Scraping: How It Works, What Triggers It, and 5 Smart Ways to Handle 429s
If you are here, you are probably doing one of three things: collecting public web data, scaling a crawler, or debugging a scraper that suddenly went from “working fine” …
What Is API Rate Limiting? A Practitioner’s Guide to Request Throttling, Algorithms, and 429 Handling
I’ve been building and breaking APIs for the better part of a decade. First as a backend engineer at a fintech startup where a single unthrottled webhook took down …
What Is Data Parsing in Web Scraping? A Working Engineer’s Walkthrough With Three Real Sites
I want to start this guide with something most parsing tutorials skip: a confession. When I first learned web scraping, I thought parsing was the hard part. CSS selectors, …
The Working Scraper’s Guide to User Agents: A List That Won’t Get You Blocked by Friday
Every scraping tutorial I’ve ever read opens the same way: “A User-Agent is a string sent by your browser…” and then dumps a list of UAs from 2019 that, …
What Is Web Scraping Fingerprinting? A Practitioner’s Take on the Hidden Layer Most Scrapers Ignore
The first time I ran into fingerprinting, I did not know it had a name. I had a Python scraper that worked beautifully against a target site for about …