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VouchSafe is an easy, effective replacement for comment and registration CAPTCHAs that’s highly secure, and easier for your users to complete.
You can use VouchSafe to secure your comments and registration from spam. VouchSafe is easy to use, and very effective in stopping spammers. It’s the first Human Interactive Proof that use an adaptive AI to create challenges that only humans can solve. You can learn more about VouchSafe at the <a href="http://www.vouchsafe.com" rel="nofollow ugc">VouchSafe website</a>.
To solve a challenge, users either draw a line to join two objects that are related, or circle one object that doesn’t belong in a group of related objects.
For visually or motor-impaired users, VouchSafe offers audio-based type-in challenges. VouchSafe is compatible with most smart phones and tablet computers.
VouchSafe requires users to register their domain to get an API key to activate their plugin. Your keyset allows you to customize the way VouchSafe will appear on each domain you manage. VouchSafe also offers support for SSL.
Full installation instructions with screenshots can be found in our <a href="http://www.vouchsafe.com/user-guide-for-wordpress" rel="nofollow ugc">installation guide</a>.
To get an API key to activate VouchSafe on your domain, go to our <a href="http://console.vouchsafe.com" rel="nofollow ugc">registration page</a>.
If you run into trouble <a href="http://www.vouchsafe.com/contact" rel="nofollow ugc">contact us</a> or you can check the posts on our <a href="http://www.facebook.com/vouchsafe.me?sk=app_2373072738" rel="nofollow ugc">Facebook discussion page</a>.

VouchSafe CAPTCHA Replacement

VouchSafe is an easy, effective replacement for comment and registration CAPTCHAs that's highly secure, and easier for your users to complete.

Automattic

Matt Mullenweg

Michael Adams (mdawaffe)

Ryan Boren

Christopher Finke

Andy Skelton

Eoin Gallagher

Joseph Scott

Stephane Daury (stephdau)

Greg

Lisa Schuyler

Dave Martin (lessbloat)

Derek Springer

bluefuton

Tellyworth

kbrownkd (a11n)

Andy Perdomo (a11n)

Anti-Spam

Josh Smith

The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam solution for WordPress and WooCommerce.
Akismet checks your comments and contact form submissions against our global database of spam to prevent your site from publishing malicious content. You can review the comment spam it catches on your blog’s “Comments” admin screen.
Major features in Akismet include:
<ul>
<li>Automatically checks all comments and filters out the ones that look like spam.</li>
<li>Each comment has a status history, so you can easily see which comments were caught or cleared by Akismet and which were spammed or unspammed by a moderator.</li>
<li>URLs are shown in the comment body to reveal hidden or misleading links.</li>
<li>Moderators can see the number of approved comments for each user.</li>
<li>A discard feature that outright blocks the worst spam, saving you disk space and speeding up your site.</li>
</ul>
PS: You’ll be prompted to get an Akismet.com API key to use it, once activated. Keys are free for personal blogs; paid subscriptions are available for businesses and commercial sites.

Akismet Anti-spam: Spam Protection

Nice

Great Plugin

Does the job

It's really good


There are many better ways to handle spam than this garbage. Indeed i with the false positive rate this plugin has it is worse than nothing


Worst antispam plugin


Akismet has been with me since I've been on WordPress and really doesn't miss when compared to other solutions. Keep up the great work!


Doesn't miss a shot

The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam solution for WordPress and WooCommerce.

VouchSafe CAPTCHA Replacement vs Akismet Anti-spam: Spam Protection