CSS Selector

A CSS selector is a pattern used to identify elements on a webpage, such as price, product title or image source. Extractors use selectors to reliably locate data in the page structure.

Why it matters

• Enables accurate and consistent element targeting
• Reduces errors caused by layout changes
• Improves long term extraction stability

How it is used

• Extractor training and configuration
• Troubleshooting failed extraction points
• Optimising element selection for accuracy