You might see an Anubis anti-bot Proof-of-Work check to keep the site safe from...

https://web-wiki.win/index.php/Is_the_Anubis_%22Not_a_Bot%22_Page_Safe_or_a_Scam%3F

You might see an Anubis anti-bot Proof-of-Work check to keep the site safe from automated traffic. It runs a simple test in your browser using JavaScript. If JavaScript doesn’t load, the check can’t finish