Is it safe to use proxy sites?

Related questions

1. Does a proxy hide your IP?
2. How does reverse proxy work?
3. What does HTTP proxy mean?
4. What is proxy give an example of proxy?
5. Is using free proxy safe?
6. Should I set proxy on or off?
7. What is Msstd?
8. Can you hide your IP address?
9. What is proxy in WiFi?
10. Can a proxy server be traced?

Tags

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2. #browse
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4. #while
5. #modified
6. #sites
7. #tested
8. #encryption
9. #content
10. #services
11. #haschek
12. #shady
13. #percent
14. #allowed
15. #research
16. #proxy
17. #using
18. #users
19. #weren
20. #proxies