http://www.mattcutts.com/blog/captcha/ neat fun stuff Fri, 19 Mar 2010 01:55:22 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://www.mattcutts.com/blog/captcha/#comment-409686 Matt Tue, 27 Oct 2009 14:20:49 +0000 http://www.mattcutts.com/blog/?p=68#comment-409686 Doesn't using a token system make captcha systems redundent and forms totally accessable? Doesn’t using a token system make captcha systems redundent and forms totally accessable?

]]> http://www.mattcutts.com/blog/captcha/#comment-135103 ailaG Sun, 26 Oct 2008 17:41:26 +0000 http://www.mattcutts.com/blog/?p=68#comment-135103 Lets see if it works here. On the other post (the smart phone cam one) it keeps asking me "what is the sum of 2 + 3?" and won't accept anything (5, 05, 0x5...) Lets see if it works here.
On the other post (the smart phone cam one) it keeps asking me “what is the sum of 2 + 3?” and won’t accept anything (5, 05, 0×5…)

]]> http://www.mattcutts.com/blog/captcha/#comment-121325 Saima Khan Mujra Fri, 25 Jan 2008 11:28:10 +0000 http://www.mattcutts.com/blog/?p=68#comment-121325 Captcha is a must, on my sites it reduses almost 90% of the carbage. Captcha is a must, on my sites it reduses almost 90% of the carbage.

]]> http://www.mattcutts.com/blog/captcha/#comment-117398 Joan Harrison Thu, 29 Nov 2007 10:05:03 +0000 http://www.mattcutts.com/blog/?p=68#comment-117398 The point about colour blindness is a valid one and it raises the general issue of how a Captcha solution can impact accessibility. There are too many instances of the security code being included in graphical images that are very difficult to read even with perfect eyesight let alone any form of disability. A text based question will do the job just as well, it is accessible and appealing to your real human audience. The point about colour blindness is a valid one and it raises the general issue of how a Captcha solution can impact accessibility. There are too many instances of the security code being included in graphical images that are very difficult to read even with perfect eyesight let alone any form of disability. A text based question will do the job just as well, it is accessible and appealing to your real human audience.

]]> http://www.mattcutts.com/blog/captcha/#comment-107177 Luxury Wed, 27 Jun 2007 07:42:00 +0000 http://www.mattcutts.com/blog/?p=68#comment-107177 color blindness is fairly common, and from what I’m being told, the security code I’m looking at is all green Red Green color blindness is fairly common, and from what I’m being told, the security code I’m looking at is all green on a green red and purple background.” color blindness is fairly common, and from what I’m being told, the security code I’m looking at is all green Red Green color blindness is fairly common, and from what I’m being told, the security code I’m looking at is all green on a green red and purple background.”

]]> http://www.mattcutts.com/blog/captcha/#comment-106046 SEO Blog Thu, 07 Jun 2007 20:03:36 +0000 http://www.mattcutts.com/blog/?p=68#comment-106046 Captcha is a godsend. Some of my sites were literally hijacked by spammers before I installed captcha on them. Captcha is a godsend. Some of my sites were literally hijacked by spammers before I installed captcha on them.

]]> http://www.mattcutts.com/blog/captcha/#comment-96221 MultiZ Mon, 05 Feb 2007 17:19:11 +0000 http://www.mattcutts.com/blog/?p=68#comment-96221 I may have to see if I can get CAPTCHA working with mine when I get around to it. I may have to see if I can get CAPTCHA working with mine when I get around to it.

]]> http://www.mattcutts.com/blog/captcha/#comment-94964 william quartz Sat, 27 Jan 2007 05:45:45 +0000 http://www.mattcutts.com/blog/?p=68#comment-94964 Since the early days of the Internet, users have wanted to make text illegible to computers. The first such people were hackers, posting about sensitive topics to online forums they thought were being automatically monitored for keywords. Since the early days of the Internet, users have wanted to make text illegible to computers. The first such people were hackers, posting about sensitive topics to online forums they thought were being automatically monitored for keywords.

]]> http://www.mattcutts.com/blog/captcha/#comment-92472 lazer epilasyon Wed, 27 Dec 2006 16:42:45 +0000 http://www.mattcutts.com/blog/?p=68#comment-92472 i agree with you i agree with you

]]> http://www.mattcutts.com/blog/captcha/#comment-91641 thatSEOguy Wed, 13 Dec 2006 09:36:10 +0000 http://www.mattcutts.com/blog/?p=68#comment-91641 I run a lot of web and article directories. Captcha is a necessary evil...it cuts down about 90% of spam on my sites. I run a lot of web and article directories. Captcha is a necessary evil…it cuts down about 90% of spam on my sites.

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