Simply prevent duplicate submissions by blocking the submit button while submitting
More Plugins
-
Mailtrap for WordPress
-
Block X-ray Attributes
-
Reading Time Block
-
Add menu separators to navigation
-
Advanced Age Verification Popup
-
Text Widget oEmbed
-
SiteSignal
-
Default Alt Text | SEO Plugin
-
short.io
-
GoUrl Paid Memberships Pro – Bitcoin Payment Gateway Addon
-
RevCent Payments for WooCommerce
-
Really Simple Login Logo
-
WP E-Commerce currency helper
-
SMNTCS Custom Logo Link
-
Author Post Ratings
-
Product Rearrange for WooCommerce
-
Classic Addons – WPBakery Page Builder
-
Event Espresso Smooth Integration
-
bbgGoogleMaps
-
Throws SPAM Away