Over the first full month with Domain Tagging in place, OpenDNS issued the following two lists of the most-often blocked domains and categories:
Top 10 Most Blocked Web Sites:
1. myspace.com
2. facebook.com
3. youtube.com
4. ebay.com
5. mail.yahoo.com
6. friendster.com
7. meebo.com
8. playboy.com
9. hotmail.com
10. bebo.com
Top 10 Most Blocked Web Site Categories:
1. Phishing
2. Adult
3. Gambling
4. Social Networking
5. Hate/Discrimination
6. Dating
7. Alcohol
8. Weapons
9. Games
10. Video sharing
Many hosting companies do not offer proxy hosting, and it’s difficult to find a suitable web hosting to run a CGI or PHP proxy server.
Why hosing providers disallow proxy sites? Because that proxy servers use huge amount of CPU, Memory resources and bandwidth, with very little traffic. So most hosting companies declared “disallow proxy sites” in their TOS(Term of Service).
Now, We must call our attention to those frauds in hosting business who said they providing proxy hosting but you can never get!