Usually you have a landing page, and then you enter stuff there, and finally you get output. That gives you about 1 minute before returning first results. If t

Usually you have a landing page, and then you enter stuff there, and finally you get output. That gives you about 1 minute before returning first results. If the user is faster, you can show something like cloudflare does when you visit through Tor. On later submissions you can reuse the reputation from the cookie.