Learn By Doing
Practical Tutorials
Step-by-step guides to help you master data extraction, processing, and automation.
Multi-Site Marketing Data Extraction
Learn to extract and analyze marketing data from multiple websites simultaneously
const sites = ["site1.com", "site2.com"];
for await (const data of extract(sites)) {
await process(data);
}
Real Estate Comment Analysis
Extract and analyze comments from real estate listings using NLP
Great location!
0.8
Needs renovation
-0.3
Spacious rooms
0.6
Dynamic Website Scraping
Learn to scrape dynamic websites using modern tools and techniques
Selector
XPath
RegEx
document.querySelectorAll('.product')
//div[@class='price']
/\$\d+\.\d{2}/
REST API Integration
Build robust REST API integrations with error handling and rate limiting
GETPOSTPUTDELETE
const response = await fetch('/api/v1/data', {
method: 'POST',
headers: { 'Content-Type': 'application/json' }
});