WordPress.org
  • News
  • Showcase
  • Hosting
    • Themes
    • Plugins
    • Patterns
    • Blocks
    • Openverse ↗︎
    • Learn WordPress
    • Documentation
    • Forums
    • Developers
    • WordPress.tv ↗︎
    • Make WordPress
    • Photo Directory
    • Five for the Future
    • Events
    • Job Board ↗︎
    • About WordPress
    • Enterprise
    • Gutenberg ↗︎
  • Get WordPress
Get WordPress
WordPress.org

Plugin Directory

Captcha Ajax

  • Submit a plugin
  • My favorites
  • Log in
  • Submit a plugin
  • My favorites
  • Log in

Captcha Ajax

By Alessandro Lin
Download
  • Details
  • Reviews
  • Installation
  • Development
Support

Description

Captcha works fine with website cache.
Adds Captcha Asynchronously anti-spam methods to WordPress. Include login form, registration form, lost passwordform and comments form. The asynchronously method allows captcha to work well when a page cache, server cache or plugin cache, is active.

Demo

View:

Features

  • Captcha for login form
  • Captcha for login form obtained with the function wp_login_form(). Login form embedded in a page.
  • Captcha for registration form
  • Captcha for lost password form.
  • Captcha for comments form

  • Captcha for Contact Form 7

  • Captcha for WPForms
  • Captcha for Forminators form.

  • Captcha for WooCommerce plugin. Login form, Lost Password form.

  • Select the letters type from the options – Capital letters, Small letters or Captial & Small letters.

  • Select the captcha type from the options – Alphanumeric, Alphabets or numbers.
  • Select the captcha image. Default image or Black and white or Multicolor or Icons ( 27 icons available from fontawesome.com ) or Arithmetics. See images in screenshots.

  • Firewall. Limit rate of failed login attempts for each IP.

  • REST API

Firewall details:
Limit failed login attempts.
Temporary blocks an Internet address from making further attempts after a specified limit on failed retries is reached.
Option active for login form, login form embedded, registration form, lost password form. Select the feature in the dashboard.

REST API details:
– The following address, reachable with a browser:
” https://your_site/wp-json/captcha-ajax/v1/transients_expired ”
will cause the cleaning of expired transients.
Performs this task no more than once every 2 hours, further requests will be ignored.

  • If your web site has a caching plugin installed or uses server-side caching, it is best to exclude the page from caching:
    ” https://your_site/wp-json/captcha-ajax/v1/transients_expired “

  • REST API Filter for Exposing Menus Publicly in WordPress. Optional.

Captcha for Contact Form 7 details:
1. Install and activate CF7 and Captcha Ajax.
2. Go to Captcha Ajax settings. CF7 yes and save.
3. Create your contact form with CF7.
4. Edit your new CF7 contact form:
Click on the line before [submit “Submit”]. This positions the cursor.
Click on the Captcha Ajax Tag.
Click on Insert Tag. This inserts the shortcode of Captcha Ajax.
Click on Save.
5. Add the CF7 shortcode to the page, post or text widget and save.
6. Cache. Purge if it is active.
Done

Captcha for WPForms details:
1. Install and activate WPForms and Captcha Ajax.
2. Go to Captcha Ajax settings. WPF yes and save.
3. Create your contact form with WPForms.
4. Add the WPForms shortcode to the page, post or text widget and save.
5. Cache. Purge if it is active.
Done

Captcha for Forminator form details:
1. Install and activate Forminator form and Captcha Ajax.
2. Go to Captcha Ajax settings. Forminator yes and save.
3. Create your contact form with Forminator.
4. Add the Forminator shortcode to the page, post or text widget and save.
5. Cache. Purge if it is active.
Done

Captcha for WooCommerce details:
This feature is synchronized with the WordPress Login.
If captcha for WordPress Login is enabled, captcha for WooCommerce Login module is also enabled.

Support

Thanks for downloading and installing my plugin. You can show your appreciation and support future development by donating. https://www.paypal.me/a6419

Screenshots

  • screenshot-1.png
  • screenshot-2.png
  • screenshot-3.png
  • screenshot-4.png
  • screenshot-5.png
  • screenshot-6.png
  • screenshot-7.png
  • screenshot-8.png
  • screenshot-9.png
  • screenshot-10.webp

Installation

  • Upload the Captcha-Ajax plugin to your site and activate it.
  • Admin page: Dashboard > Captcha-Ajax Settings.
  • Admin page: Dashboard > Plugins > Captcha-ajax settings

Reviews

Perfect Non 3rd Party Captcha with Forminator Forms

engindesign February 1, 2025
Great Plugin , which works flawlessly with forminator forms. I recommend to everyone who is looking for pretty decent built in – captcha for forminator forms Great Work !! Thanks a lot

It cannot be translated

akron June 17, 2024 1 reply
The language file is missing, and several expressions are statically typed into the code.Anyway, it’s a useful plugin.

amazing

fariborzasgarpour May 20, 2024
The plugin is really useful
Read all 3 reviews

Contributors & Developers

“Captcha Ajax” is open source software. The following people have contributed to this plugin.

Contributors
  • Alessandro Lin

“Captcha Ajax” has been translated into 1 locale. Thank you to the translators for their contributions.

Translate “Captcha Ajax” into your language.

Interested in development?

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

Changelog

1.12.2

Change Item in Admin Menu.

1.12.0

Added Arithmetics Captcha Image Black and White
Add languages file languages/captcha-ajax.pot
Add REST API filter for Exposing Menus. Optional.
Added small html

1.11.1

Fix one warning notice.

1.11.0

Added Captcha for WooCommerce

1.10.0

Added Arithmetics Captcha Image

1.9.2

Small changes to plugin administration.

1.9.1

Fixes an issue that occurs if WordPress files are not placed in the root of the website.

1.9.0

Added support for Firewall

1.8.0

Added a REST API nemespace plus an endpoint that cleans up expired transients.

1.7.7

added delete Expired Transients in the admin page.

1.7.5

Fix. Solves a css problem that occurs with some themes.

1.7.0

Added: Captcha Icons images.
Added: new Captcha button. Regenerate Captcha.
Emergency. Added: deactivation of this plugin via wp-config.php

1.6.0

Add captcha image multicolor

1.5.0

Add captcha image black and white.

1.4.0

  • Add captcha for Forminator form.

1.3.0

  • Add captcha for WPForms

1.2.0

  • Add captcha for Contact Form 7

1.1.0

  • Add captcha for comments form

1.0.0

  • Initial Release

Meta

  • Version 1.12.2
  • Last updated 3 weeks ago
  • Active installations 70+
  • WordPress version 5.0 or higher
  • Tested up to 6.8.1
  • PHP version 7.2.24 or higher
  • Languages

    English (US) and Russian.

    Translate into your language

  • Tags
    ajaxcaptchaloginpostsecurity
  • Advanced View

Ratings

4.7 out of 5 stars.
  • 2 5-star reviews 5 stars 2
  • 1 4-star review 4 stars 1
  • 0 3-star reviews 3 stars 0
  • 0 2-star reviews 2 stars 0
  • 0 1-star reviews 1 star 0

Add my review

See all reviews

Contributors

  • Alessandro Lin

Support

Got something to say? Need help?

View support forum

Donate

Would you like to support the advancement of this plugin?

Donate to this plugin

  • About
  • News
  • Hosting
  • Privacy
  • Showcase
  • Themes
  • Plugins
  • Patterns
  • Learn
  • Documentation
  • Developers
  • WordPress.tv ↗
  • Get Involved
  • Events
  • Donate ↗
  • Five for the Future
  • WordPress.com ↗
  • Matt ↗
  • bbPress ↗
  • BuddyPress ↗
WordPress.org
WordPress.org
  • Visit our X (formerly Twitter) account
  • Visit our Bluesky account
  • Visit our Mastodon account
  • Visit our Threads account
  • Visit our Facebook page
  • Visit our Instagram account
  • Visit our LinkedIn account
  • Visit our TikTok account
  • Visit our YouTube channel
  • Visit our Tumblr account
Code is Poetry