This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Gunner Technology Predictive 404


Another plugin inspired by Russ Jones’ post on SEOMoz, this plugin assists in PageRank recovery by:

  • Capturing the URL that the visitor or GoogleBot tried to visit.
  • Using Levenshtein Distance to figure out the intended URL.
  • 301 redirecting to there

For example, browsing to will automagically redirect to

For any more questions, please go to Gunner Technology’s post: Predictive 404: WordPress Plugin that Recovers your PageRank and leave a comment.


  1. Upload the files to the /wp-content/plugins/predictive-404/ directory
  2. Activate the “Gunner Technology Predictive 404” plugin through the ‘Plugins’ menu in WordPress

Contributors & Developers

“Gunner Technology Predictive 404” is open source software. The following people have contributed to this plugin.




  • Initial release


  • Updates Plugin URI
  • Directs users to GT Website for help


  • Corrects website url


  • Typo