In the case of Cloudflare specifically, they support Privacy Pass[0], an extension that allows solving one captcha to allow you through to multiple sites withou

In the case of Cloudflare specifically, they support Privacy Pass[0], an extension that allows solving one captcha to allow you through to multiple sites without de-anonymizing or reducing the security properties that tor provides. [0] https://blog.cloudflare.com/cloudflare-supports-privacy-pass/ https://blog.cloudflare.com/cloudflare-supports-privacy-pass...