Resources · Blog

Blog about data collection

Guides, research, and case studies on web scraping, price monitoring, and data delivery for analytics, marketing, and product needs.

Techniques
Regex for Web Scraping: Extracting Clean Data from Text

Learn how to use regular expressions in web scraping: extract prices, phones, and emails from messy HTML text with tested patterns. See practical examples.

4 October · 8 min
By Language
Perl Web Scraping with Regular Expressions

Perl web scraping explained: regex syntax, matching operators, and LWP examples for extracting data from HTML pages. Dust off Perl and scrape along.

2 October · 11 min
Techniques
Web Scraper Regex: Extracting Data with PHP Examples

Master web scraper regex: patterns, capture groups, and PHP preg_match examples for pulling data from HTML — plus when not to use regex. Learn it here.

30 September · 12 min
Proxies & Infrastructure
Rotating Proxies for Web Scraping Business Directories

Rotating proxies for web scraping explained: how IP rotation works, when residential pools pay off, and reliable providers to try. Compare your options.

28 September · 13 min
Data & Formats
RSS Feed Parser: How to Extract Data from RSS Feeds

Learn how an RSS feed parser works and how to extract titles, links, and dates from any feed, with code examples and ready-made tools. Read the how-to now.

26 September · 7 min
By Language
Ruby Web Scraping: A Complete Guide from Simple to Advanced

Ruby web scraping guide: fetch pages, parse HTML with Nokogiri, handle encoding, threads, proxies, and TOR, with working Ruby 3 code. Start building today.

24 September · 27 min
Techniques
Run a Python Script Detached with Real-Time Output

Run long Python scraping scripts detached — nohup, screen, tmux, systemd — while streaming real-time output and logs. Keep your scrapers running 24/7.

22 September · 8 min
By Language
Rust Web Scraping: The Complete Guide

Rust web scraping in practice: reqwest, scraper, and tokio concurrency, plus TLS, encodings, and proxies. A complete, current guide with working code examples.

20 September · 26 min
Business & Legal
Scraping Currency Exchange Rates: APIs, Code, Storage

Get currency exchange rates the right way: central bank sources, free APIs, precise decimal handling, caching, and storage, with practical code examples.

18 September · 12 min