Questions tagged [captcha]

For questions about the CAPTCHA used on Stack Exchange sites to verify that you're a person and not a spam-bot.

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Stack Overflow keeps showing me CAPTCHAs when I try to search [duplicate]

I'm trying to search Stack Overflow using Chrome 99.0.4844.82 on Ubuntu 21.10 (Impish Indri), but I keep getting redirected to the CAPTCHA, even though I'm even logged in to Google. Screen recording ...
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17 votes
0 answers
301 views

Change the source of Google reCAPTCHAs to recaptcha.net so it works in countries where google.com is blocked

I live in Mainland China, one of some of the few regions in the world with national firewalls. My national firewall blocks the foreign IP addresses of Google, which for the moment provides the CAPTCHA ...
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  • 367
22 votes
2 answers
447 views

Please don't expect users to recognize American street scenes

My latest Captcha challenge involved identifying taxis. Well, I've seen one or two American films (movies) in which the taxis were yellow, so I made a guess and punted that the yellow cars were taxis ...
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4 votes
0 answers
154 views

Unattractive design of CAPTCHA window on Russian Stack Overflow

Once I was writing an answer on Russian Stack Overflow I got a CAPTCHA window that suggests clicking a tick to confirm your humanity: Text translation:Confirm you are not a robotAre you a real person?...
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2 votes
0 answers
49 views

Captcha and captcha text overflows the dialog, on Ask Question page

I asked a question on MSO a few seconds ago, and was presented with a CAPTCHA that sprawled out of the box: Can we fix that?
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  • 25.7k
1 vote
0 answers
60 views

Verify you're not a robot in mobile [duplicate]

A few moments ago, I was asking a question on Hermeneutics Stack Exchange and a dialog appeared to verify I'm not a robot. Even though I don't have a picture and don't know how to trigger it again, ...
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18 votes
0 answers
461 views

Can something be done to not CAPTCHA every search from DuckDuckGo's bangs?

DuckDuckGo (DDG) has a feature called bangs that lets you use sequences of characters staring with ! (in this case !so) to redirect your browser to that site's search page. For example, if you type in ...
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10 votes
1 answer
130 views

How do I submit a Stack Exchange app or get support when the CAPTCHA is broken?

I am trying to create a new Stack APP and the human verification CAPTCHA is broken. Furthermore, when I try to submit a support request, that CAPTCHA is also broken. I tried to contact Stack on ...
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  • 101
4 votes
0 answers
73 views

Running a query in Data Explorer returns a JSON string {"captcha":true}

I am trying to run this query: https://data.stackexchange.com/stackoverflow/query/430132/split-users-by-amount-of-reputation-digits When I hit Run Query, it redirects to a page with nothing but a JSON ...
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  • 141
12 votes
1 answer
704 views

Stack Overflow CAPTCHA-Check fails - Oops! Robot detection failed

I try to post an answer to a question in Stack Overflow, than get CAPTCHA-Check with the box to click. After clicking I get the failed check (tested on Firefox, Chrome, and Edge): The last time I was ...
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  • 223
5 votes
1 answer
147 views

Why don't we improve captcha?

I just wrote a self-answered question on the Physics site. The answer is really long, and frankly speaking, it takes some time getting all the diagrams right, researching, making sure the explanations ...
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  • 169
8 votes
0 answers
116 views

The captcha appears in an inconvenient location on Android

The captcha appears in an inconvenient location on Chrome and Opera Mobile on Android. E.g. I saw the following after trying to post a question: I had to zoom out or horizontally scroll to see where ...
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37 votes
2 answers
446 views

Do not repeatedly require trusted contributors to solve captchas when they attempt to post

By now, I've solved hundreds of captchas on Stack Exchange, maybe thousands. Often when I post (conservatively, at least 30% of the time), I'm presented with this: We can't quite tell if you're a ...
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4 votes
0 answers
66 views

Logged out mid answer

I was writing an answer on math.se just a few seconds ago. When I went to submit it, it showed an error, something along the lines of “Unable to submit answer. See reason above”. There was, in fact, ...
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32 votes
1 answer
530 views

Why can't SE use a non-Google captcha that invades my privacy less?

One reason that I do not like using SE is third-party elements that track me and invade my privacy: specifically, Google captcha, which I am forced to use even when logged in. I use various blockers ...
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  • 377
5 votes
0 answers
84 views

Getting a captcha for opening two search bookmarks

Last month I asked: Should I be worried about how fast I use the site? I'm pleased to announce I got my first captcha. This is just a feedback, for perhaps altering the algorithm behind it if at all ...
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  • 5,549
9 votes
0 answers
127 views

Has the maximum time threshold for question CAPTCHAs been reintroduced recently?

I've noticed that when I take a long time to write up a question, and don't submit until the next day or later, I get prompted with a CAPTCHA. After some searching, I found that there used to be a 40-...
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3 votes
0 answers
54 views

What causes the "Human Verification"? [duplicate]

l'm just experiencing the Human Verification now, and I can't find the captcha to solve. What kinds of questions and answers can cause it? Not all questions caused it.
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16 votes
0 answers
622 views

Use a privacy-friendly reCaptcha alternative

I'm very concerned with Google tracking my online activity. According to this article, Google's reCaptcha v3 poses significant privacy concerns, including: sending "hardware and software information, ...
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  • 287
4 votes
0 answers
40 views

Posting a draft should not lead to a captcha

Sometimes, I write a question which I do not immediately post (for various reasons), but choose to save it as a draft instead. When I open the 'Ask Question' page again, and click the 'Post Your ...
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  • 211k
6 votes
0 answers
80 views

Allow bypassing CAPTCHA based on reputation or network experience [duplicate]

I was trying to post a question on Android Enthusiasts earlier on my (government) work WiFi, and was put through a slightly painful experience involving captcha. This got me thinking, why am I even ...
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7 votes
0 answers
72 views

Captcha verification doesn't advance once completed

I'm trying to post a Q&A on Android Enthusiasts, and despite being logged in, I'm being forced to solve a Captcha. That's not the main problem though. The problem is it doesn't actually let me ...
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8 votes
0 answers
336 views

Recaptcha blocking because Google insists on "Modern Browsers"

Shouldn't there be a way to post to Stack Overflow without installing someone's particular version special browser? I've seen the following happen on other sites, its probably due to code changes by ...
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  • 197
2 votes
0 answers
48 views

CAPTCHA: I can't check a box that doesn't exist [duplicate]

I spent several hours yesterday thoroughly researching a question, to be told it looked like spam, at which point I pared it down and posted it. Then I realized I posted it on the wrong SE network ...
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13 votes
0 answers
343 views

Please use another captcha than reCaptcha [duplicate]

ReCaptcha gets worse and worse. Often I need to solve 12 image puzzles before ReCaptcha acknowledges me as a human. There are a lot of nice CAPTCHA solutions are out there, most self-hosted (which ...
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  • 1,105
3 votes
1 answer
329 views

How to use Stack Exchange without letting Google track me through its reCAPTCHA?

Sometimes Stack Exchange thinks I'm a robot and it asks me to do some reCAPTCHA but the reCAPTCHA doesn't load and I get this in my logs: The resource at “https://www.google.com/recaptcha/api.js?...
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3 votes
1 answer
437 views

Why am I prompted for a CAPTCHA even though I didn't trip any of the rate limits?

Why am I prompted for a CAPTCHA when posting even though I didn't trip any of the rate limits for CAPTCHAs documented in The Complete Rate-Limiting Guide?
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  • 151
1 vote
0 answers
37 views

The recaptcha on data stackexchange isn't working [duplicate]

Is this a temporary situation or something that needed to be reported?
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1 vote
0 answers
1k views

Should we be worried by the V1 SHUTDOWN recaptcha? [duplicate]

It looks like ye old Google RECAPTCHA is being decommissioned but we still use it on data.stackexchange.com Google decided to warn us with this "NUCLEAR HAZARD" style image. So, dear site owners, ...
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  • 35.9k
4 votes
0 answers
482 views

Data Explorer returns "Captcha Shutdown" warning [duplicate]

I tried to execute this Data Explorer query and instead of the usual Captcha message I got the following: V1 shutdown on 2018-03-31 Direct site owners to g.co/recaptcha/upgrade Who needs to ...
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3 votes
0 answers
140 views

Captcha needs urgent upgrade [duplicate]

I don't bother to log in when switching to data.stackexchange.com for a quick query, but today when I did that I found the following captcha: FWIW, typing in that text does not work for me. So, ...
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  • 5,152
8 votes
0 answers
116 views

Did human verification get stricter?

Did something change with the captcha/human verification? I'm seeing this on a daily basis now: I think in the past I've seen that at most once in 3 months, and usually when I was doing something ...
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  • 2,904
43 votes
1 answer
9k views

reCaptcha v1 is shutting down on March 31, but SEDE still uses it

According to this post, I thought the new recaptcha API was used network-wide. Though today, when going to SEDE (which for whatever reasons never recognized me automatically), I got this message ...
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  • 549
6 votes
1 answer
393 views

CAPTCHA doesn't present words

I know there's a new invisible form of CAPTCHA, but I'm not sure what words should be entered. Am I missing something? Browser logs: This may or may not be due to the HTTPS issue reported in ...
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  • 5,959
2 votes
0 answers
3k views

CAPTCHA with street signs

For this specific CAPTCHA: Do you select the square that has a tiny little bit of sign in it? On similar CAPTCHAs, sometimes the square is just a sign post, often split among (up to) 4 blocks. Do ...
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3 votes
0 answers
58 views

Stack Overflow No captcha box is shown in the human verification page [duplicate]

I'm using an approved browsers like Chrome and Safari. But in the human verification page, the Captcha box is not displaying for me. What should I do?
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2 votes
0 answers
56 views

CAPTCHA Problems? [duplicate]

These days, whenever I encounter a CAPTCHA, instead of verifying with pictures or the usual, 85 tells me download apps and run them for 30 seconds. These apps usually require a monthly subscription ...
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-3 votes
1 answer
68 views

Got captcha'd for asking a question again after an outage

I asked a question, which failed to get posted because Stack Overflow went down, and then I re-asked the question, and got captcha'd because of that. I shouldn't be captcha'd because the Stack ...
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  • 20.8k
9 votes
0 answers
195 views

"Robot detection failed". Why?

I got a "Robot detection failed" error message. What can be the cause? I did click in the checkbox where I am supposed to click to prove that I am human. I was using the same computer, IP, and ...
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10 votes
1 answer
156 views

Testing that you are not a robot

I am always coming onto this website and posting to peoples answers but half the time I have to do a test to make sure I am not a robot. And with my slow internet it takes a long time. How can I ...
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  • 201
1 vote
0 answers
25 views

Logic Around Human Verification on SO Sites [duplicate]

Wondering, at a high level, what is the logic around the human verification interstitial that appears some times when submitting a new question? I am asking because I am working on a similar system ...
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  • 199
0 votes
1 answer
5k views

How do I solve the 'Verification Human CAPTCHA Secret sign' on Opera Mini? [duplicate]

I am trying to log in using Opera Mini. How can I solve the 'Verification Human CAPTCHA Secret sign', since it doesn't pop up any button to click on?
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5 votes
0 answers
31 views

Stack Exchange sites use CloudFlare in a way that can break CSS and images [duplicate]

Stack Exchange sites use CloudFlare. When an IP address is used quite a lot to access Stack Exchange sites, CloudFlare will present a CAPTCHA to be solved. After it's solved, the site is supposed to ...
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  • 263
3 votes
0 answers
59 views

What's up with this reCAPTCHA? [duplicate]

"I'm a human being." - Carl Sagan I, a human, asked a question on Stack Overflow today. Actually, no, I didn't, because Stack Overflow decided I'm not a human. I'm perfectly okay with ...
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  • 942
6 votes
0 answers
862 views

Unable to pass the street signs reCaptcha [duplicate]

Ok, I cannot for the life of me get past this captca. I select all the street signs, who knows whether they're right. But also, if you're supposed to select images, what's with the text box below? ...
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  • 191
13 votes
1 answer
1k views

CAPTCHA impossible to solve due to device limitations

I just got challenged on programmers. The CAPTCHA is impossible to solve because my device (iPhone + Chrome using mobile site) can not copy the text required to be copied and pasted into the input ...
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  • 9,534
28 votes
1 answer
74k views

"Images with street signs" CAPTCHA impossible to solve

I just got challenged (over on English Language) by the new "Mark all images with street signs" CAPTCHA. I must have tried a dozen times to solve it by checking all images that had street signs, but ...
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  • 9,534
0 votes
0 answers
24 views

Captcha cannot be submitted [duplicate]

I got captcha verification about picking up certain images from list. I did so and got some text to copy and paste in a new box. I pasted it, but there is no button to submit the same. I looked ...
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  • 109
-14 votes
3 answers
1k views

Need a captcha for JavaScript less page

Today I was making a question, and I prefer to have JavaScript disabled most of the time. But besides the scaring red eye saying to me that "I can't tell you're a human", I could see nothing in this ...
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  • 69
2 votes
0 answers
15 views

Square bracket (tag) in search URL parameter is gone after human verification step [duplicate]

Let's say I want to search for "mobile" with "android" tag, I use the following URL: https://stackoverflow.com/search?q=mobile+%5Bandroid%5D This works fine. However, if a Human Verification step ...
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