WooCommerce Email Validation
Adds a 'confirm email address' field to the WooCommerce checkout page.
Plugin Tag: validation
Contact Form 7 Email Validation
Contact Form 7 Email Validation plugin adds an extended validation to verify domain in email…
Simple Trackback Validation with Topsy Blocker
REPLACEMENT of the original Simple Trackback Validation Plugin from Miachel. Performs a simple but very…
Gravity Forms HTML5 Validation
This plugin adds native HTML5 validation support to Gravity Forms' fields.
Reject Urls And Emails In Textarea For (Gravity Forms)
Prevent URLS & Emails in gravity forms textarea fields.
Validated
This plugin will allow you to check your pages/posts HTML against the W3C Validator.
Comment Validation
This plugin adds client-side validation to the Wordpress comment form, using the jQuery validation plugin.
UK Address Postcode Validation
Ideal Postcodes UK address search and validation extension for WooCommerce
Advanced Custom Fields: Validated Field
The Validated Field add-on for Advanced Custom Fields provides input masking and server-side validation of…
DeBounce.io Email Validator
DeBounce email validation plugin allows you to validate emails on all WordPress forms and make…
Byteplant Phone Validator
With the Byteplant Phone Validator plugin you can easily verify if a phone number is…
Email Validation Filter for Contact Form 7
Added mail validation function to Contact Form 7. Protected by rejection filter, RFC filter, and…
MailCheck.ai
Prevent disposable email addresses from registering or commenting on your site with MailCheck.ai.
Byteplant Email Validator
With the Byteplant Email Validator plugin you can easily verify with a real-time live check…
WooCommerce Address Validator
The WooCommerce Address Validator plugin automatically validates and corrects billing and shipping addresses for 240+…
Mailgun Email Validator
Kick spam with a highly advanced email validation in comment forms, user registration and contact…
Comment Validation Reloaded
Avoid those pesky blank page with an error message like "please fill out required fields"…
W3C validation auto check
Automatically checks the validity of the page with the service provided by the site http://validator.w3.org/
RSS Feed Checker
This widget will submit your wordpress RSS feed to feedvalidator.org, and check the results to…
WordPress Fix HTML5 Validation
WordPress Fix HTML5 Validation