HTML Structure Review

Understanding HTML structure is crucial for web scraping. You need to know how to navigate the document tree to find the data you want.

HTML Document Structure

Every HTML page follows a basic structure:

HTML Elements

Elements consist of tags, attributes, and content:

Common HTML Tags for Scraping

Attributes for Targeting

Attributes help you find specific elements:

Parent-Child Relationships

HTML forms a tree structure:

Real-World HTML Pattern

Tables in HTML

Tables are common for structured data:

Nested Structures

Data often requires navigating nested elements:

Practice: Identifying Elements

Key Takeaways

• HTML is a tree structure with parent-child relationships
• Elements have tags, attributes, and content
• Common attributes: id (unique), class (shared), data-* (custom)
• Learn to recognize patterns in product cards, tables, lists
• Navigation: find a container, then drill down to specific data
• Understanding HTML structure is essential for effective scraping