Negative Captcha Alternatives
Negative Captcha
A negative captcha has the exact same purpose as your run-of-the-mill image captcha: To keep bots from submitting forms. Image ("positive") captchas do this by implementing a step which only humans can do, but bots cannot: read jumbled characters from an image. But this is bad. It creates usability problems, it hurts conversion rates, and it confuses the shit out of lots of people. Why not do it the other way around? Negative captchas create a form that has tasks that only bots can perform, but humans cannot. This has the exact same effect, with (anecdotally) a much lower false positive identification rate when compared with positive captchas. All of this comes without making humans go through any extra trouble to submit the form. It really is win-win.
Best Negative Captcha Alternatives for Web
Looking for the best programs similar to Negative Captcha? Check out our top picks. Let's see if there are any Negative Captcha alternatives that support your platform.
reCAPTCHA
FreeWebreCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows. About 200 million CAPTCHAs are solved by humans around the...
hCaptcha
FreemiumWebhCaptcha allows websites to make money serving this demand while blocking bots and other forms of abuse.
Features:
- Bot detection
- GDPR compliant
- Web-Based
Mollom
FreemiumWebMollom is a freemium web service to get rid of spam, unwanted content and fake users on your Drupal, Wordpress and Joomla site or blog.
Features:
- Captcha Recognition
- Content analysis
- Software as a Service
- WordPress
Sblam!
FreeOpen SourceLinuxWebOpen-source implementation of server-side spam filtering of blog comments and forum posts. It's available as a free web service. It's open source, so you can...
Features:
- Php
- WordPress
Solve Media's CAPTCHA TYPE-IN™
CommercialWebSolve Media's CAPTCHA TYPE-IN ads are an easy plug-in solution that saves your users time while making your site more secure and more profitable. Instead of...
FeedCaptcha
FreemiumWebSoftware as a Service (SaaS)FeedCaptcha is a new captcha system, easy to integrate and with meaning for your product. You create a set of questions that users answers in order to pass the captcha...
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