Proxies act as an intermediary between your computer and the internet. Web Proxies:

: Many unofficial "unblocking" tools may track your identifiers or usage data. Review the Privacy Policy of any application you install to see what information is collected.

Some local security settings are overly aggressive.

Sometimes blocks are implemented at the DNS level. Switching to a public DNS like Google (8.8.8.8) Cloudflare (1.1.1.1) can often bypass simple ISP filters [1]. Tor Browser:

(like a 403 Forbidden or a "Site Blocked" page), or is the site just failing to load?

If one VPN node is blocked, switch to another country.