I had not heard about slowloris, thanks for the tip. I am always on the lookout for ways to make life harder for scrappers and scanners.

In this case though, to defeat scrapers maybe create some link which only the scraper sees and leave a "gzip-bomb"' like described here https://blog.haschek.at/2017/how-to-defend-your-website-with... and see how their scraper handle that :-)

Personally I just used a html-fuzzer to generate 5 MiB of junk html and named it wp-login.php :-) And a ssh-tarpit