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Date: | Mon, 2 Nov 2009 12:28:52 -0600 |
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We've had good experience with the "Detect content within a hidden form element" technique mentioned in the WebAIM article. If the field has any content we just reject the submission with a notice that they need to empty the field.
Since spambots don't always enter every field, you can increase the effectiveness of this technique by using multiple fields -- three of them are enough to reject almost every automated spam submission.
Matt
----- Original Message -----
From: "Peter Wiringa" <[log in to unmask]>
To: [log in to unmask]
Sent: Monday, November 2, 2009 12:17:48 PM GMT -06:00 US/Canada Central
Subject: Re: [CSS-DEV] captcha anyone?
Here are some approaches that should help to reduce form spam
without introducing accessibility problems.
http://webaim.org/blog/spam_free_accessible_forms/
Also, if it's an internal-only form that doesn't purport to take in
confidential responses, you could always add cookieauth to it, so
users are forced to login. Yes, it *could* be an extra step for your
users, but it's the simplest approach I know of, if you don't
already have a set of form handlers you can use.
Jake LaSota wrote:
> Hi all,
>
> I've got a form that's receiving a bunch of ugly automated submissions.
> Does anyone know of a good captcha code/plug-in?
>
> I've found a few, but I'm sure there's something better floating around
> out there.
>
> Perhaps there's a better technique than using a captcha to stop these
> submissions?
>
> Thanks,
> Jake
--
Peter Wiringa
Electronic Communications
University Relations
University of Minnesota
(612) 625-3252
[log in to unmask]
"I gotta hold on to my angst. I preserve it because I need it. It
keeps me sharp, on the edge, where I gotta be." - V. Hanna
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