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Data CollectionIntermediate to Advanced

Data Collection & Scraping

Website monitoring, price tracking, news aggregation, market research - Master automated data collection techniques

60 minutes
1.9k students
(4.8)
by n8n Academy
Web ScrapingAPI IntegrationData ProcessingMonitoringAnalytics
Updated 1 day ago

Common Applications

💰

Price Monitoring Alerts

Track product prices across multiple retailers

Intermediate
🕷️

Website Content Scraping

Extract articles, reviews, and structured data

Advanced
🔌

API Data Collection

Aggregate data from multiple API sources

Intermediate
📰

News Aggregation

Collect and categorize news from various sources

Intermediate
📊

Market Research

Gather competitor and market intelligence

Advanced
👁️

Social Media Monitoring

Track mentions and sentiment across platforms

Advanced

Popular Data Sources

E-commerce Platforms

AmazoneBayShopify storesProduct catalogsPrice comparison sites

News & Media

News websitesRSS feedsBlog platformsPress releasesSocial media

Financial Data

Stock pricesCryptocurrency exchangesFinancial newsMarket data APIs

Real Estate

Property listingsRental platformsMarket trendsNeighborhood data

Job Markets

Job boardsCompany career pagesSalary dataSkills demand

Prerequisites

Understanding of HTML, CSS, and basic web technologies
Familiarity with APIs and HTTP requests
n8n instance (cloud or self-hosted)
Target websites or APIs for data collection
Data storage solution (database, spreadsheet, etc.)
Basic knowledge of data processing concepts

What You'll Learn

Automated website monitoring
Real-time price tracking
Content extraction and processing
API integration and data aggregation
Data validation and cleaning
Scheduled data collection
Alert and notification systems
Data export and storage
Performance monitoring
Error handling and recovery

Tutorial Sections

1

Introduction to Data Collection

Understanding data sources and collection strategies

10 minutes
  • Types of data sources and collection methods
  • Legal and ethical considerations for web scraping
  • Overview of n8n data collection nodes
  • Planning your data collection strategy
  • Setting up data storage and processing pipelines
2

Price Monitoring Alerts

Track product prices and get instant notifications

18 minutes
  • Setting up website monitoring workflows
  • HTML parsing and data extraction techniques
  • Price comparison and threshold alerts
  • Handling dynamic content and JavaScript
  • Creating price history tracking
  • Multi-store price comparison automation
3

Website Content Scraping

Extract and process website content automatically

20 minutes
  • Advanced CSS selector techniques
  • Handling pagination and infinite scroll
  • Image and file download automation
  • Content cleaning and formatting
  • Dealing with anti-scraping measures
  • Rate limiting and respectful scraping
  • Data validation and quality checks
4

API Data Collection

Integrate with APIs for structured data access

12 minutes
  • REST API integration best practices
  • Authentication and API key management
  • Handling rate limits and pagination
  • Data transformation and normalization
  • Error handling and retry mechanisms
  • Combining multiple API sources

Practical Example: Price Monitoring Workflow

1

Schedule Trigger

Set up automated checks every hour or daily

2

Web Scraping

Extract current price from target website

3

Price Comparison

Compare with previous price and threshold

4

Alert Notification

Send email or SMS when price drops below target

Ethical Scraping Best Practices

✅ Do's

  • • Respect robots.txt files
  • • Use reasonable request intervals
  • • Check website terms of service
  • • Use APIs when available
  • • Handle errors gracefully

❌ Don'ts

  • • Overload servers with requests
  • • Ignore rate limiting
  • • Scrape personal data without consent
  • • Violate copyright laws
  • • Use scraped data commercially without permission

🚀 Master Data Collection & Scraping!

Start this comprehensive tutorial and become proficient in automated data collection!