How does web scraping work?

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Tags

1. #based
2. #carried
3. #result
4. #extracting
5. #website
6. #process
7. #scraping
8. #received
9. #called
10. #first
11. #scraper
12. #piece
13. #nutshell
14. #document
15. #parses
16. #websites
17. #query
18. #sends
19. #which
20. #specific