Anonymous proxy site list available from browser
When you access the page, various information is transmitted to the other party. For example, by accessing the following page, you can see what kind of information is conveyed to the other party.
By looking at "REMOTE_HOST" you can see where you are accessing, so you can see from the company, watching from school, watching from manga cafe, and so on.
If you do not want this information to be known to your partner, using a "proxy server" that does not access directly but acts on behalf of you will not be transmitted to the page where your information is being viewed directly. For example, if you use it from the workplace or school, you will not be able to access the other page from work or school.
But since it is troublesome to set up a proxy server every time, or it is already set to pass through a proxy server in the first place, it is useful for a case where it is impossible to put another proxy server in between Proxy available from. It is called CGI proxy or PHP proxy.
I have a list of such anonymous proxies, so I'll show them. If you remember it, it might be useful.
250+ working proxies for safe web access from work or school: eConsultant
It is easy to understand if you access the following page in order to confirm whether your information is truly leaked out, how far you can hide it, or you can impersonate.
It makes a judgment to some extent.
Even so, there are many. Some anonymous proxy sites that can be accessed with "https" instead of "http".