gregbialowas

GB Anti-Spam for Contact Form 7 adds a lightweight security layer to Contact Form 7 forms without CAPTCHA.
Features: 
* Honeypot field protection 
* Timing-based bot detection 
* Request integrity token 
* IP rate limiting 
* Automatic injection (no manual form editing required)
Designed to be lightweight and compatible with caching and performance plugins.

GB Anti-Spam for Contact Form 7

Lightweight anti-spam protection for Contact Form 7 without CAPTCHA. More details: https://gregbialowas.com/anti-spam-cf7

Ranjan Vilakhe

prasidhda

It is a very simple plugin to filter out the spam comments by using the popular technique called “Honeypot”. This is not the 100% solution to every possible spam comment, however I believe that this simple pattern can avoid at least 50% of spams in your comment.
<h3>Main Features</h3>
<ol>
<li>Option to user defined honeypot fields</li>
<li>Option to record logs</li>
<li>Option not to save trapped spammed comments to database (Complete removal)</li>
<li>Option to email domain restriction</li>
<li>Option to choose trapped spam comments status ( spam or trash )</li>
<li>Option to block comment with common spam words</li>
<li>Option to add your own spam words</li>
<li>Option to block comment if comment content includes any link.</li>
<li>Option to block comment from IP address</li>
</ol>

Honeypot for WP Comment

Simple plugin to trap the spam comments using honeypot technique.

GB Anti-Spam for Contact Form 7 vs Honeypot for WP Comment