How do I know if my website has been penalized by Google?

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Tags

1. #search
2. #actions
3. #penalties
4. #dramatically
5. #traffic
6. #google
7. #check
8. #ranking
9. #penalty
10. #drops
11. #manual
12. #account
13. #webmaster
14. #viewed
15. #unpleasant
16. #choose