If you have control of the server or platform serving the content, could look into “robots.txt” and “tarpits.” There are a few, but one example is Nepenthes: zadzmo.org/code/nepenthes/

If you just own the domain and it’s hosted elsewhere, you could set it up to go through CloudFlare DNS. They have a one-button scrape-stopper: blog.cloudflare.com/declaring-your-aindependence-…