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Deep dives into web data infrastructure, extraction techniques, and the future of structured data at scale.

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155 articles

JavaScript With Scrapy: Data First, Render Only When Needed
Guides

JavaScript With Scrapy: Data First, Render Only When Needed

TL;DR: Using JavaScript with Scrapy does not always require a browser. First inspect the raw response, network requests, and embedded page state; add scrapy-playwright only when the target data truly depends on browser execution, then control waits, interactions, cleanup, and concurrency deliberately.

Mihai Maxim10 min read
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Axios Set Headers in 2026: The Developer Playbook
Guides

Axios Set Headers in 2026: The Developer Playbook

TL;DR: Axios set headers across five layers, per-request config, global defaults, axios.create() instances, request and response interceptors, and the response itself. This guide walks each layer with runnable v1 snippets, then fixes the four bugs that bite everyone: multipart boundaries, CORS cookies, self-signed certs, and header casing.

Mihnea-Octavian Manolache15 min read
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Best Rotating Residential Proxies In 2026 For Web Scraping
Science of Web Scraping

Best Rotating Residential Proxies In 2026 For Web Scraping

TL;DR: The best rotating residential proxies in 2026 are not the ones with the biggest billboard pool size. They are the ones whose session control, geo-targeting, ethical sourcing, and per-GB economics actually match the targets you scrape. This guide gives you a vendor-neutral evaluation framework, a comparison table of 11 providers, and a use-case map so you can shortlist two or three before you ever touch a credit card.

Anda Miuțescu36 min read
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Web Scraping with JavaScript and Node.js: A Practical Guide
Guides

Web Scraping with JavaScript and Node.js: A Practical Guide

TL;DR: Web scraping with JavaScript and Node.js needs Node.js 22.12 or later, the built-in fetch for requests, and Cheerio to parse HTML. Use Cheerio when the data is in the HTML your request receives, and Playwright when JavaScript builds the page or it needs clicks and waits. This guide builds one scraper, from pagination and hidden JSON to offline tests and a scraper API fallback.

Robert Sfichi22 min read
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Node Unblocker for Web Scraping
Science of Web Scraping

Node Unblocker for Web Scraping

TL;DR: Node-unblocker turns an Express app into a URL-prefix HTTP proxy you can hack on. This web scraping node unblocker guide walks through installing it, wiring up request and response middlewares, rotating instances, deploying on Docker or Heroku, and recognizing the point where a managed scraping API is the saner answer.

Sorin-Gabriel Marica11 min read
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Web Scraping with Ruby: Faraday, Nokogiri, and Selenium
Guides

Web Scraping with Ruby: Faraday, Nokogiri, and Selenium

TL;DR: Build a production-minded Ruby web scraper with Faraday, Nokogiri, CSV, retries, tests, and Selenium for JavaScript-rendered pages.

Raluca Penciuc15 min read
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