The Validated Field add-on for Advanced Custom Fields provides input masking and validation of other field types.
A plugin that provides a warning box with a ton more options completely re-written from the ground up.
Inspects and logs possible issues with your WordPress installation.
Extension to enable min-length on textfield(s) in Contact Form 7
cBound/forms.contact avoids data-junk at the point of entry. Smart checks and corrections make every online lead ready for processing in AAA quality.
Verify the integrity of a WP installation by scanning for unexpected or modified files.
bValidator - Form validator for jQuery , bValidator is a jQuery plug-in for client side form validation.
REPLACEMENT of the original Simple Trackback Validation Plugin from Miachel. Performs a simple but very effective test on all incoming trackbacks in o
Validate your WordPress Comment form
Kick spam with a highly advanced email validation in comment forms, user registration and contact forms using Mailgun's Email validation service.
Build beautiful, fully functional contact forms in only a few minutes without writing PHP, CSS, or HTML.
SIMPLE - FAST - EFFICIENT Creating Forms on your website has never been easier with GuiForm.
Reject disposable email addresses in Gravity Forms email fields.
Adds a 'confirm email address' field to the WooCommerce checkout page.
WP StopSpam verhindert Fake-Registrierungen ganz ohne Captcha, sondern nur mit Sicherheitsfrage und Bot-Techniken.
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