Inverted Checkbox Antispam

作者：Yevhen Horbyshyn

支持

描述

This plugin adds a hidden “inverted” checkbox to your forms to prevent bots from submitting them.

Adds support for Contact Form 7 via shortcode [ica_checkbox]
Adds JavaScript-based hidden checkbox to regular forms in the footer
Blocks form submission if the checkbox is unchecked or missing (typical behavior for bots)

Upload the plugin files to the /wp-content/plugins/inverted-checkbox-antispam directory, or install the plugin through the WordPress plugins screen directly.
Activate the plugin through the ‘Plugins’ screen in WordPress
Go to ‘Settings’ ‘Inverted Checkbox Antispam’ to enable protection for CF7 or regular forms.
If using CF7, add [ica_checkbox] inside your form template.

What is an inverted checkbox?: It’s a hidden checkbox that must remain checked. Bots often uncheck all checkboxes — which will fail the validation.
Does this affect user experience?: No. The checkbox is hidden using CSS/JS and is not visible or interactable for humans.
Can I use this without Contact Form 7?: Yes. It works with any standard HTML forms.

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