Simple Trackback Validation

Performs a simple but very effective test on all incoming trackbacks in order to stop…


Michael Woehrer 4,000+ active installations Tested with 2.9.2 Updated 10 years ago

Comment Validation

This plugin adds client-side validation to the WordPress comment form, using the jQuery validation plugin.


Jörn Zaefferer 2,000+ active installations Tested with 2.9.2 Updated 10 years ago

ZeroBounce

The official plugin for the ZeroBounce e-mail vadlidation system.


ZeroBounce 1,000+ active installations Tested with 4.8.12 Updated 2 years ago

Validated

This plugin will allow you to check your pages/posts HTML against the W3C Validator.


Allan Collins 1,000+ active installations Tested with 5.3.2 Updated 2 months ago

Mailgun Email Validator

Kick spam with a highly advanced email validation in comment forms, user registration and contact…


Jesin 400+ active installations Tested with 4.9.13 Updated 2 years ago

Comment Validation Reloaded

Avoid those pesky blank page with an error message like "please fill out required fields"…


Austin Passy 300+ active installations Tested with 4.2.26 Updated 5 years ago

RSS Feed Checker

This widget will submit your wordpress RSS feed to feedvalidator.org, and check the results to…


Jake Anderson 300+ active installations Tested with 3.3.2 Updated 8 years ago

W3C validation auto check

Automatically checks the validity of the page with the service provided by the site http://validator.w3.org/


Tammax 200+ active installations Tested with 3.3.2 Updated 8 years ago

Post-title-validation

The Post-title-validation Plugin helps to create validation on title field of post, page, custom content…


Pranav Pathak 200+ active installations Tested with 4.9.13 Updated 2 years ago

Byteplant Email Validator

With the Byteplant Email Validator plugin you can easily verify with a real-time live check…


support@byteplant.com 100+ active installations Tested with 5.3.2 Updated 5 days ago

LH Signing

LH Signing allows you to create configurable validated lists like petitions or event sign ups.…


Peter Shaw 100+ active installations Tested with 4.8.12 Updated 2 years ago

DeBounce.io Email Validator

DeBounce email validation plugin allows you to validate emails on all wordpress forms and make…


DeBounce.io 100+ active installations Tested with 5.2.5 Updated 4 months ago

WooCommerce Postcode Validator

WooCommerce Postcode Validator lets you validate Dutch postcodes and auto-fill the address and city for…


Eli5 100+ active installations Tested with 4.9.3 & WooCommerce 3.2.6 Updated 2 years ago

Protected Site

The Protected Site plugin blocks incoming traffic from accessing a blog or a specific blog…


Davo Hynds 100+ active installations Tested with 3.1.4 Updated 9 years ago