3 ms·

When we had this problem, we added an input element positioned off-screen and ignored submissions that populated it. Cleaned it all up.

• Spone 5y ago
  This is usually called a "honey pot" if some people want to search tools for implementing it.
  • deleted 5y ago
    [deleted]
• SilverRed 5y ago
  Only works if it's generic spam not targeted to your site in particular. Otherwise they will just adjust the script to not fill it.