Steganographia and other occult writings (Johannes Trithemius 1462-1516)
trithemius.com3 pointsby Jiocus1 comments
User-agent: *
Disallow: /
And possibly allow-list the ones you accept. This probably won't change the fact that you may allow a vendor at one point in time, only to realise they changed their crawling use case and has been scraping data for AI training for the past 6 months (before they go public about it). ffmpeg -i $input_file -movflags use_metadata_tags -crf 22 $output_file
Source: https://video.stackexchange.com/a/26076