From an administrative perspective, blocking is a necessary hygiene measure. A network administrator cannot allow a user to inadvertently bring down a corporate network because they clicked a malicious link, nor can a school allow minors unrestricted access to the web.
Often cited as the best overall for its combination of speed, security, and ability to unblock major streaming services. browse blocked websites
The debate over browsing blocked websites is ultimately a debate about the nature of the internet. From an administrative perspective, blocking is a necessary