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
How to Edit and Resend HTTP POST Requests in a Browser

Learn how to edit and resend HTTP POST requests right in your browser with DevTools, a handy skill for debugging and web scraping. Try it out step by step.

25 February · 8 min
Techniques
Email Validation Regex: Practical Patterns That Work

Practical email validation regex patterns that actually work, from simple checks to RFC-aware rules, with examples in popular languages. Copy and test them.

23 February · 9 min
CAPTCHA Solving
EndCaptcha Review: Fast CAPTCHA Solving Service

EndCaptcha review: solving speed, accuracy, pricing, and API of this premium CAPTCHA solving service, and when rivals fit better. Compare before you pay.

21 February · 8 min
Business & Legal
Ethical Issues of Employee Monitoring Software

The ethical issues of employee monitoring software: privacy, consent, transparency, and data protection, plus rules for responsible use. Weigh the risks.

19 February · 11 min
Business & Legal
GDPR and Web Scraping: How to Stay Compliant

Does GDPR allow web scraping? Learn how EU rules treat personal data, what GDPR-compliant scraping looks like, and how to reduce risk. Read the guidance.

17 February · 11 min
CAPTCHA Solving
CAPTCHA Solver in Java: A Step-by-Step Example

Build a simple CAPTCHA solver in Java: image preprocessing, character segmentation, and OCR recognition with working code. Follow the worked example.

15 February · 12 min
By Language
C# Selenium Web Scraping: A Step-by-Step Example

C# Selenium web scraping tutorial: set up WebDriver, load dynamic pages, locate elements, and extract data step by step. Follow the working code example.

13 February · 6 min
Techniques
Excel VBA Web Scraping: Scrape Website Data into Excel

Scrape website data straight into Excel with VBA: HTTP requests, HTML parsing, and ready macros, no Python needed. Follow the step-by-step guide and examples.

11 February · 10 min
By Language
PHP Scraper Example with Exception Handling

Learn exception handling in PHP scrapers with a working example: try-catch blocks, retries, and logging for robust web scraping. Grab the sample code now.

9 February · 11 min