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Jun
16th
2008

Do you captcha your target audience?

Posted in : Techno Babble

Seeing is believing

In the past I've ranted about "webmasters" and their total failure when it comes to designing websites that are accessible to everyone on the web, and Scott and myself have had many a conversation on the same subject, especially that favourite of "webmasters" called CAPTCHA's. Not only are they 100% pointless because they can be easily broken but they require that humans jump through hoops to prove that they are a human and are impossible for people with certain conditions to solve .... such as dyslexics :

Ask Oxford wrote :

dyslexia

/disleksia/

noun a disorder involving difficulty in learning to read or interpret words, letters, and other symbols.
— DERIVATIVES dyslexic adjective & noun.
— ORIGIN from Greek lexis "speech" ( apparently by confusion of Greek legein "to speak" and Latin legere "to read" ).

Why pick Dyslexics?

I single out Dyslexics in particular because I happened to be chatting with Tilqi on IRC about accessibility and the mentality of most "webmasters", the edited version of the conversation went a little like this :

<tilqi> i insist on the impossibility of an absolute globalization / standarization or whatever you call it
<yabba_hh> whilst people think that, you remain correct
<tilqi> when so much obstacle about it
<yabba_hh> the obstacles are 100% man made ;)
<tilqi> i agree the need of it, but like many other things it is both vital and impossible
<tilqi> and you are not very comprimising today (:
<yabba_hh> lol, I'm not compromising on any day when this is the subject, I believe in it passionately ;)
<tilqi> yea but it's like 'world peace' , lol it even sounds funny anymore.. you know it must be established but you can not and never will
<yabba_hh> but you know that it is the right thing ;)
<yabba_hh> accessibility is the same "right thing", and is far more achievable ;)
<yabba_hh> it's only getting "more impossible" because current "webmasters" are making it that way ;)
<tilqi> i mean may be you can do it confiscating all the computers and re distribute and 'locked' computers with firefox installed :P
<yabba_hh> lol, you need to change the mentality of the coders, not the capabilities of computers ;)
<yabba_hh> I have zero problem with using flash / js ... but things *must* work without both
<tilqi> yea but they mostly *dont*
<tilqi> sector leader websites
<yabba_hh> then that's a failure of coding
<tilqi> all the portals in the world
<tilqi> and nba.com uefa.com etc etc
<tilqi> all use flash %90
<yabba_hh> the fact that they use all this stuff doesn't make it right, it's crap coding and excludes a large percentage of web users
<tilqi> there are countries below %90-99 literacy percantage still
<tilqi> and i am not talking about African countries ;)
<yabba_hh> pretty sure that UK is below 90% literacy
<yabba_hh> and that's without taking into account blind people and dyslexics

There must be Dyslexic sites surely?

That sparked off a google search, where I found this site beingdyslexic.co.uk, not that it was that hard to find, it was the top result in a google search for "dyslexic forum". They have a really cool quote on their home page :

beingdyslexic.co.uk wrote :

At Being Dyslexic with have a strong sense of community built upon the ethos that dyslexia is a gift.

Becuase dyslexia has a right brain dominance, this allows you to see every day activities from a slightly different angle. Dyslexics tend to be more creative and inspirational than your average joe.

Our brains are amazing. Try to learn stratagies that help you overcome any day-to-day problems, this will then allow you to explore the world in our unique but amazing way.

Now these people sound like they really know what they're talking about huh? Sooooo you'd expect that their forums, out of all of the forums in the world would be as dyslexic friendly as possible right? Well they pretty much are, low on images, high on text content and lots of other dyslexic members that are eager to help and share, assuming they can register of course. If you click that link and then agree to their terms and conditions and proceed to the next page, guess what you get to see? That's right a bloody CAPTCHA. Misunderstanding your target audience when you run most sites is bad enough, but whoever made the decision to implement a captcha on a dyslexics site should be put against a wall and shot for total stupidity :|

If you use captchas on your own site, whether they're targeted at visually impaired people or not, then I'd advise you put them in the bin where they belong, not only are they a complete waste of time they lock a lot of the web away from people who do not have the ability to complete them ... ohhh, and before anybody mutters anything about audio captchas, don't, there should be no hoops for humans to jump through just to be able to use the web, period.

¥

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Replied on : 06/17/08 @ 12:22 am #1

That's right - we shouldn't have to jump through hoops - so no more having to click on links... I want my browser to open a new page as soon as I look at the link!

Hoops are not a problem - obtrusive and invasive hoops are.

I see no problem with the CAPTCHA idea, in general, but there are some awful implementations of it.

Plus, the dyslexics I do know wouldn't really have an issue with that CAPTCHA you show - the difficulty for dyslexics is more with mapping the meaning of a word to the word than the actual spelling.
 
 
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Reply to comment 14906 by ¥åßßå

Replied on : 06/17/08 @ 07:06 am #2

Hi Horus,
Hmmm, wonder if I can code an eyeball tracker to accomplish that?

Any hoop is a problem as you force humans to make an effort to prove they aren't a bot instead of making the bots make an effort to prove they are a human. You can't help but have noticed the total lack of hoops that you had to jump through to leave your comment, you should see the hoops the bots have to jump through when they attempt to spam me ;)

I used to live with a dyslexic that had great trouble with spelling as they frequently used to transpose letters, and a site that's aimed at dyslexics really shouldn't be doing anything that might impede their target audience from participating.

I agree with "some awful implementations" ( the thread on html forums "Top 10 Worst Captchas" certainly had some great examples ) there's many a site that I've abandoned purely because I couldn't read the captcha ... I wonder if the bots had the same trouble that I did?

¥

I may have opened the door, but you entered of your own free will

 
 

Replied on : 06/18/08 @ 12:17 am #3

Yeah, I get what your saying - and I agree that CAPTCHA is not the best thing going, but if done right it can be as unobtrusive as having to confirm your email address as part of registration...
 
 
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Replied on : 06/18/08 @ 10:00 am #4

Bugger, I do happen to have email validation for registrations ... summat else I should kill once I redo the hound ;)

¥

I may have opened the door, but you entered of your own free will

 
 
John users avatar

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Reply to comment 14908 by John

Replied on : 06/17/08 @ 02:33 pm #5

I've always hated Captcha. Shit quality, hard to read and a pointless extra step for anyone.
Web 2 is full of "sign up for Beta 1" for something that they say will change your life. So then you fill in forms, Captcha's etc etc just to end up on a mailing list.
I'm comfortably freaked by spam and can only admire people that invent ways to fight it head on, instead of inventing hurdles for the 99% of genuine folk on this planet.
ALA article that is sort of related to reducing the hurdles http://alistapart.com/articles/signupforms



*edit* made link clickable ( you can use the <a> tag in my comments ;) )

¥
 
 
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Reply to comment 14911 by ¥åßßå

Replied on : 06/17/08 @ 05:10 pm #6

I've read that article before, and totally agree. The only section of my site you need to sign-up for is the blogrum. Although it would be a simple task to allow guest comments, I was trying to replicate a typical forum.

¥

I may have opened the door, but you entered of your own free will

 
 
Gary users avatar

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Reply to comment 14909 by Gary

Replied on : 06/17/08 @ 03:05 pm #7

Yeh, you can't beat a captcha image to slow you down and waste an hour whilst trying to sign up for something (that will probably only spam you in the future) :crazy:

Gz

Blog-a-doodle-do :D  http://garysblog.co.uk

 
 

Replied on : 06/17/08 @ 03:10 pm #8

Captchas are GREAT! How else is one supposed to know that the website really doesn't want you to register or leave a comment if they don't add a captcha?
 
 
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Replied on : 06/17/08 @ 05:11 pm #9

I'll quote you on that one day ;)

¥

I may have opened the door, but you entered of your own free will

 
 

Replied on : 06/19/08 @ 04:49 pm #10

CAPTCHA is a barrier not a complete prevention mechanism. Some of them keep out a fair number of spammers. PHPBB3 probably doesn't :D . Your average bbcode spammer you see roaming the internet won't even think about trying to solve a captcha on your average site. On the other hand if you own a site like gmail.com then your captcha will eventually be broken. It's a trade-off
 
 
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Replied on : 06/19/08 @ 06:17 pm #11

Weird how I don't have a captcha and don't get spammed huh?

I agree that if a site becomes popular then it's defences are attacked with far more passion ... but that doesn't mean that you can't defeat code with code ;)

The fact is the onus should be on the bots to try and look human and not the other way around .... I'm blonde, we're given rose tinted glasses at birth ;)

¥

I may have opened the door, but you entered of your own free will

 
 
Gary users avatar

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Reply to comment 14917 by Gary

Replied on : 06/19/08 @ 10:06 pm #12

I'm blonde, we're given rose tinted glasses at birth

Lol, quote of the week :p

Gz

Blog-a-doodle-do :D  http://garysblog.co.uk

 
 

Replied on : 06/25/08 @ 03:39 pm #13

Think of all the wasted man-hours, whilst people typed in (either correctly or incorrectly) obscure graphic representations of alphanumeric symbols!

(Or is that wasted men, spending hours staring at a keyboard with 202 keys?) Bugger.

Sometimes, posts that state the obvious are the best ones on the net. :D
 
 

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