WP Shieldon – Anti-scraping and security


WP Shieldon is a WordPress security plugin based on Shieldon library, a PHP library that provides anti-scraping and online session control for your WordPress sites.

When the users or robots are trying to view many your web pages at a short period of time, they will temporarily get banned. To get unbanned by solving Catpcha.

Of course, this plugin protects your webiste from Brute Force Attacks very well.

You can visit the plugin author – Terry L.‘s blog and try reloading the pages several times then you will see how this plugin works. You can also try Terry’s login page then you will find it protected.


Open Source Code


Core library:


  • Realtime statistics – See who are browsing your website and their status.
  • Beautiful and detailed statistics and dashboard.
  • Block bad bots by default – Backlink crawlers, copyright crawlers and WayBack machine bot.
  • IP manager – Block signle IP or IP range as you want. (IPv6 supported)
  • Online session control – You can limit just how many visitors browsing your website. Good for webmasters whose blog is hosted on a share hosting.
  • SEO friendly – You can allow popular search engines such as Google, Bing, Yahoo and others, put them in the whitelist.
  • XML RPC, Login, Signup page protection.
  • Multiple data drivers – Redis, SQLite, File system, MySQL.
  • Multiple CAPTCHA modules – Google reCAPTCHA v2, v3 and Image CAPTCHA.
  • Many others you can find by yourself 🙂

Check out my other WordPress works here:


WP Shieldon, Copyright 2019 TerryL.in
WP Shieldon is distributed under the terms of the GNU GPL

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.


  • Settings.
  • IP manager.
  • Statistics and dashboard.
  • Rule table.
  • IP log table.
  • Session table.
  • User has reached the limit and asked for CAPTCHA.

Contributors & Developers

“WP Shieldon – Anti-scraping and security” is open source software. The following people have contributed to this plugin.


“WP Shieldon – Anti-scraping and security” has been translated into 1 locale. Thank you to the translators for their contributions.

Translate “WP Shieldon – Anti-scraping and security” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.


= 1.0.0

  • First release.

= 1.0.1

  • Fix Redis check.

= 1.0.2

  • Add CDN setting.

= 1.0.3

  • Fix setting URL in plugin page.
  • Fix SQLite check.
  • Fix daemon Enable button not working.

= 1.1.0

  • Add dashboard
  • Fix passcode not working.

= 1.2.0

  • Add report – IP log table.
  • Add report – Session table.
  • Add report – Rule table.

= 1.2.1

  • Fix variable type error.

= 1.2.2

  • Add new tabs for more period data on dashboard.
  • Fix component loading issue.

= 1.2.3

  • Update readme.
  • Fix i10n issues.
  • Imporve statistics pages.

= 1.3.0

  • Add IP management on IP rule table page.

= 1.3.1

  • Fix passcode login issue.

= 1.3.2

  • Fix JavaScript conflicts.

= 1.3.3

  • Fix passcode login issue.
  • Improve performance.

= 1.3.4

  • Exclude password-protected posts’ form.
  • Update uninstall.php