A CAPTCHA is a type of challenge-response test used in computing as an attempt to ensure that the response is generated by a person.
-3
votes
1answer
68 views
Why users should solve the problem of spam by solving capchas? [closed]
Why the problem of spam should be solved by users?
Why user should prove that he is not spammer?
Maybe it would be better for spammers to prove that he is real user?
Having javascript on the client ...
4
votes
6answers
223 views
Is a captcha necessary when email validation is being utilised?
During registration for my new website, I'm going to require that a link is clicked in a confirmation email before a new user has full privileges. Is this a good way to remove spammers/bots, or do you ...
3
votes
4answers
239 views
Does Captcha Really Affect UX?
From my own personal experience, I don't like CAPTCHA when filling a form, especially encountering unrecognizable picture or calculation-required one.
When I submit some advises to the website, it's ...
-1
votes
2answers
118 views
Are spam bots actually better than real users at solving captcha codes? [closed]
The spam bots are pretty good. Anyone with an app with a comment system can confirm.
So, since they know to solve them, they do it pretty quick, as apposed to humans, who take on average 28.4 seconds ...
0
votes
0answers
41 views
How are Audio Captchas created? [closed]
How are Audio Captchas created?
Is there a service provides the audio Catpchas that blind people complete when filling out a Captcha?
Is there a 3rd party service or do each provider make their ...
8
votes
5answers
421 views
Accessibility and CAPTCHAs
I want to include a CAPTCHA in my web application, but I also want to make sure that my web application is accessible to individuals with impairments or disabilities. How should I go about doing ...
7
votes
2answers
1k views
Honeypot captchas and accessibility
I have been looking at ways to prevent spam bots from posting, regstering and performing actions on my site.
Initially, I thought about implementing ReCAPTCHA using its API. However, I have found ...
7
votes
8answers
638 views
When exactly is a CAPTCHA system a good idea?
While I understand this is probably a very broad question, I'm trying to figure out exactly when adding a CAPTCHA becomes a necessary requirement for a site. I get the sense a lot of clients ask me to ...
3
votes
2answers
283 views
Could a funny CAPTCHA be more pleasant?
I think one way to make CAPTCHA be more acceptable is to make it funny, but for some reason most CAPTCHA do not do this. Would this be seen as unprofessional or could this be a good way to make a ...
2
votes
2answers
176 views
Are there instances when Captcha / Human validation is more necessary during registration?
I am not particularly asking about whether or not Captcha within itself is good UX, but a more generalized question as to when human validation truly makes a difference in terms of a website's ...
7
votes
3answers
369 views
Has Captcha become common knowledge?
I am doing a business site for a web company, and was wondering if Captcha has become so well-known, that it no longer needs an explanation ?
Right now there is only a input box, the captcha image ...
5
votes
6answers
588 views
Asirra or Captcha?
I've just heard about "Asirra" and tried it. But, I am a little bit confusing about using. What is your choice for usability?
Asirra or CAPTCHA, and why?
30
votes
5answers
2k views
Can we do better than CAPTCHA?
There are a variety of different forms of CAPTCHA and other strategies in order to prevent spam. To briefly list a few:
Simple math or word questions.
Obfuscated text.
JavaScript-based CAPTCHAs.
...
12
votes
1answer
668 views
Using wheelchair symbol in CAPTCHAs?
More and more websites that use CAPTCHAs have started to cater for visually-impaired users who cannot solve a visual (text-based) CAPTCHA by providing an audio CAPTCHA.
What I find bizarre is that ...
9
votes
9answers
338 views
barebone registration: is password repitition and captcha really essential?
If you design a barebone registration form which only requires
email address and password as essentials can you omit the password repetition and captcha without too much technical trouble?
I ...
