About this plugin
Mathematical Captcha Applier is a lightweight WordPress plugin that lets you easily apply a simple math-based captcha to form submit buttons on your website by specifying their CSS selector. Just provide a specific button’s CSS selector, and the plugin will display a captcha prompt before the action is completed. This could help to prevent spam and unwanted bot activity.
Features:
– Add a mathematical captcha to form submit buttons ( <input type="submit"> or <button type="submit"> ) by specifying their CSS selector (ID or class).
– Attempts to protect forms from automated submissions.
– No external dependencies — lightweight and fast.
– Simple configuration via the WordPress dashboard.
– If JavaScript is disabled, this plugin will hide the selected buttons.
How It Works:
, 5 + 3 =? ). If answered correctly, the action will proceed.
If JavaScript is disabled in the browser, the plugin hides the selected submit button.