http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/ps/module/how-use-tor-linux
You can check a number of EFF sites this way , including Surveillance Self-Defense itself (this link will only work in the Tor Browser). The Tor Project maintains a page with other tips for anonymity that is worth checking periodically for other best practices for using Tor safely.