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<p>NOTE: Worst Offenders for WordPress 2.5 is currently a pre-alpha release for developer feedback only.</p>
<p>If you use any anti-spam tool you will no doubt be delighted that spam can be automatically identified, but less happy that you now have to either trawl through the spam to check for false positives, or just give up and hope for the best – this is where Worst Offenders can help: it analyses messages already marked as spam and uses several techniques to identify messages with common sources, subjects and content – those which are definitely spam.  These <em>Worst Offenders</em> can be deleted en-masse, hopefully leaving just a handful of messages that can be checked by hand.</p>
<h3>To do</h3>
<p>Switch to using wp_cache wherever options were used<br />
Improve count function to remove duplicates</p>


Worst Offenders

NOTE: Worst Offenders for Wordpress 2.5 is currently a pre-alpha release for developer feedback only.

OOPSpam Team

<p><a href="https://www.oopspam.com/" rel="nofollow ugc">OOPSpam</a> is a modern anti-spam solution that uses advanced AI and machine learning to protect your WordPress forms and comments from spam. Our system has blocked over 1 billion spam attempts across 3.5M+ websites, maintaining 99.9% accuracy without compromising user privacy or accessibility.</p>
<p>Unlike traditional CAPTCHA solutions that can hurt your conversion rates, OOPSpam works silently in the background, analyzing submissions against our extensive database of 500M+ malicious IPs and emails to catch both bot and human spammers.</p>
<h3>Why Choose OOPSpam?</h3>
<ul>
<li>Protect forms without CAPTCHA, JavaScript challenges, or tracking.</li>
<li>Catch bot and human spam with AI-powered analysis and contextual checks.</li>
<li>Keep control of privacy with optional IP and email analysis, with logs stored in your WordPress database.</li>
<li>Filter submissions by country and language, and block VPNs and other high-risk sources.</li>
<li>Use rate limiting, manual controls, detailed logs, and exports to manage spam effectively.</li>
<li>Protect WooCommerce checkouts from spam and card testing, and use one API key across unlimited websites.</li>
</ul>
<h3>What Our Users Say</h3>
<blockquote>
<p>“It’s eliminated all spam, and even the need for CAPTCHA. Setup is quick and the interface is intuitive.” – @gotmick</p>
<p>“Very responsive support and dev team. Customer support was amazing, response time was immediate and issues were solved instantly.” – @viv18germany</p>
<p>“Pricing is perfect for agencies as they do tiers by actual # of API calls and no limit on the number of sites you can install this on.” – @squarecandy</p>
</blockquote>
<h3>By the Numbers</h3>
<ul>
<li><strong>3.5M+</strong> websites protected daily</li>
<li><strong>1B+</strong> spam attempts blocked</li>
<li><strong>99.9%</strong> detection accuracy</li>
<li><strong>24/7</strong> customer support</li>
<li><strong>500M+</strong> malicious IPs and emails in our database</li>
</ul>
<h3>Supported form & comment solutions:</h3>
<ul>
<li>WordPress Login, Registration, and Lost Password</li>
<li>WooCommerce Order & Registration</li>
<li>BuddyPress</li>
<li>Elementor Forms</li>
<li>Elementor Atomic Forms</li>
<li>Ninja Forms</li>
<li>Gravity Forms</li>
<li>Kadence Form Block and Form (Adv) Block</li>
<li>Fluent Forms</li>
<li>Breakdance Forms</li>
<li>WS Form</li>
<li>WPDiscuz</li>
<li>Forminator</li>
<li>WPForms</li>
<li>Formidable Forms</li>
<li>Contact Form 7</li>
<li>Bricks Forms</li>
<li>Toolset Forms</li>
<li>Piotnet Forms </li>
<li>GiveWP Donation Forms</li>
<li>MailPoet</li>
<li>Beaver Builder Contact Form</li>
<li>Ultimate Member</li>
<li>MemberPress</li>
<li>Paid Memberships Pro</li>
<li>Jetpack Forms</li>
<li>MC4WP: Mailchimp for WordPress</li>
<li>SureForms</li>
<li>SureCart</li>
<li>QuForm</li>
<li>HappyForms Pro</li>
<li>Avada Forms</li>
<li>MetForm</li>
<li>ACF Frontend Forms</li>
<li>Newsletters by Tribulant</li>
</ul>
<p>OOPSpam Anti-Spam WordPress plugin requires minimal configuration. Check out our <a href="https://help.oopspam.com/wordpress/" rel="nofollow ugc">comprehensive WordPress guide</a> for detailed setup instructions. To get started quickly, <a href="https://app.oopspam.com/Identity/Account/Register" rel="nofollow ugc">get a key</a> and paste it into the appropriate setting field under <em>Settings=>OOPSpam Anti-Spam</em>. If you have a contact form plugin, make sure you enable spam protection on the settings page.</p>
<p><strong>Please note</strong>: This is a premium plugin. You need an <a href="https://app.oopspam.com/Identity/Account/Register" rel="nofollow ugc">OOPSpam Anti-Spam API key</a> to use the plugin. Each account comes with 40 free spam checks per month.<br />
If you already use OOPSpam on other platforms, you can use the same API key for this plugin.</p>


OOPSpam Anti-Spam: Spam Protection for WordPress Forms & Comments (No CAPTCHA)

This is a great plugin with a very responsive and knowledgable support team.

I emailed them yesterday with a kind of obscure WooCommerce feature request and they had a fix deployed within 12 hours.

Yes, it's a paid service if your site has any kind of volume at all, but it's extremely effective and fully built for privacy and GDPR compliant. We're trying to de-G00glify everything for our clients so their websites are not tracking users every move and implementing this service is part of our (slow and tedious) move in that direction. 

Pricing is perfect for agencies as they do tiers by actual # of API calls and no limit on the number of sites you can install this on. Most competitors we were looking at had per-site license structures that were not going to work for us.

Works well for default comment fields, WPForms and WooCommerce. Has some other integrations but those are the ones we tried.

If you have any doubts, just go back into your logs of spam that slipped through reCAPTCHA and Akismet and a honeypot... pick a message and enter the data on the app.oopspam.com dashboard you can edit the test data right there and it will show you what spam score their system would give that message.

Great Service

Protect your forms from spam with 99.9% accuracy - no CAPTCHA, no JavaScript, no tracking. Trusted by 3.5M+ websites.

Worst Offenders vs OOPSpam Anti-Spam: Spam Protection for WordPress Forms & Comments (No CAPTCHA)