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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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23 votes
1 answer
557 views

Cloudflare protection is triggering on Stack Overflow authentication API routes

The Stack Overflow OAuth endpoints (https://stackoverflow.com/oauth/access_token/ and https://stackoverflow.com/oauth/access_token/json) have started responding to requests from the server I run my ...
Ginger's user avatar
  • 1,840
12 votes
0 answers
135 views

The SE Data Explorer captcha is unnecessarily annoying

Whenever I try to run a query with the Data Explorer, my process is: Type the parameters for the query. Click "Run query". Click the "I'm not a robot" checkbox that suddenly ...
jamesdlin's user avatar
  • 726
4 votes
0 answers
144 views

Questions frequently routed to the "robot detector" which fails on Safari

My preferred browser is Safari. Sometimes, I post a question and get the CAPTCHA because "we're not sure you're human." Unfortunately, on this website, as on more than ten percent of sites ...
WGroleau's user avatar
  • 1,267
1 vote
0 answers
146 views

Please change the CAPTCHA so that Chinese can use Stack Overflow [duplicate]

Programmers from china can't visit Wikipedia, but CAPTCHA redirects to a Wikipedia page: That means Stack Overflow refuses Chinese users. I don't want to comment about the prohibition to Wikipedia in ...
user11123's user avatar
2 votes
0 answers
127 views

The visual human test sometimes appears very far away from the captcha checkbox in SEDE

The visual human test sometimes appears very far away from the captcha checkbox: (click for full size) Tested on an iPhone with Chrome. This is inconvenient because one has to unzoom to find it. It’...
Franck Dernoncourt's user avatar
4 votes
0 answers
118 views

I can't answer a question because there's no captcha

I want to answer a question, but there's no captcha present. I tried reloading the page, and I even tried a different browser. Still no captcha. Here's the question, in case it matters. It's been a ...
Rich006's user avatar
  • 141
7 votes
0 answers
256 views

Human Verification Broken Again

The fix implemented in response to my previous question has broken, and I'm getting requests to re-verify if I refresh after five minutes. It happens only once (each five minutes) for any *....
Jeff Zeitlin's user avatar
  • 1,865
16 votes
1 answer
506 views

Cloudflare CAPTCHA for Tor Browser

I'm living in a country where it is illegal to access the internet. Thanks to the Tor browser we can access the internet freely. Before today, it was possible to access this website with the Tor ...
hamed.3d172's user avatar
18 votes
0 answers
238 views

New Cloudflare protection breaking important bots [duplicate]

Something about SE's DDoS protection or human verification must have changed, which has caused several important chatbots to no longer be able to log in. At first, curling /users/login from my home IP ...
Radvylf Programs's user avatar
20 votes
1 answer
2k views

Every site requesting verification that I'm human

I keep several (many) tabs for SE sites open on a continuous basis. Over the past couple of days, every time I refresh the questions, I'm getting the intercept page that checks the security of my ...
Jeff Zeitlin's user avatar
  • 1,865
7 votes
0 answers
144 views

What can one do when captcha doesn't work?

What can one do when captcha doesn't work under internet censorship?
Tim's user avatar
  • 1
12 votes
0 answers
86 views

Use a different CAPTCHA provider for privacy and security [duplicate]

Note: this is not a duplicate of Replacing reCAPTCHA or Please use another captcha than reCaptcha, because this post is chiefly about privacy and security concerns, and not usability, challenge ...
O5 Command Stands With Ukraine's user avatar
3 votes
0 answers
66 views

Why isn't there any captcha asked when running a new query in SEDE?

When I tried to create a new query on https://data.stackexchange.com/stackoverflow/query/new, I didn't see any hint for me to work on CAPTCHA, so I just clicked Run Query, and the next page was https:/...
Tim's user avatar
  • 1
-30 votes
1 answer
342 views

How can I cheat the reputation system?

I have been a full stack web developer and have been using computers for most of my life. I use these Stack Exchange websites a lot, to get answers, as they say, and indeed they are right! I get ...
user avatar
8 votes
0 answers
80 views

Captcha's from another domain than documented?

Stack Overflow sometimes asks to verify if you're a human being, especially if a lot of students coming from a proxy server are searching the site. According to Which browsers are officially supported,...
Allard's user avatar
  • 81
4 votes
0 answers
54 views

Captcha in SEDE sometimes doesn't appear

Captcha in SEDE sometimes doesn't appear: The "I'm not a robot" challenge is not displayed. Instead, it should be: Infrequent (<5%). Tested on Chrome+Win 10 as an anon user. I ...
Franck Dernoncourt's user avatar
7 votes
0 answers
97 views

"Verification expired" when anonymously running an SEDE query

I ran a long SEDE query without logging in. Did the captcha, but after ~30 or ~60 sec got "Verification expired". Unsure if bug or feature request. Saw it quite often over the past few ...
Franck Dernoncourt's user avatar
3 votes
1 answer
174 views

Human verification test for answering a question (or: how on earth does Stack Exchange calculate spam risk?)

If internet points serve anything, it should be at least to bear clear evidence whether a user provides valid answers or spam. Not for Stack Exchange though. I tried to answer a question in Ask Ubuntu ...
Quasímodo's user avatar
  • 1,022
2 votes
0 answers
530 views

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 ...
Brecht Yperman's user avatar
23 votes
0 answers
1k 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 ...
DannyNiu's user avatar
  • 405
23 votes
2 answers
494 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 ...
Michael Kay's user avatar
4 votes
0 answers
170 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?...
Максим Фисман's user avatar
2 votes
0 answers
102 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?
Ollie's user avatar
  • 26.8k
1 vote
0 answers
62 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, ...
Tiago Peres's user avatar
  • 2,187
18 votes
0 answers
1k 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 ...
Pixelated Fish's user avatar
10 votes
1 answer
133 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 ...
Pipedream's user avatar
  • 101
6 votes
1 answer
177 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 ...
TSR's user avatar
  • 161
12 votes
1 answer
1k 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 ...
Sascha A.'s user avatar
  • 223
5 votes
1 answer
149 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 ...
PNS's user avatar
  • 169
8 votes
0 answers
132 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 ...
Franck Dernoncourt's user avatar
38 votes
2 answers
544 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 ...
CertainPerformance's user avatar
4 votes
0 answers
69 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, ...
Certainly not a dog's user avatar
35 votes
1 answer
589 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 ...
brett's user avatar
  • 407
5 votes
0 answers
86 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 ...
ymb1's user avatar
  • 5,659
9 votes
0 answers
152 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-...
Sonic the Anonymous Hedgehog's user avatar
3 votes
0 answers
56 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.
Scratch---Cat's user avatar
22 votes
0 answers
806 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, ...
Tin Man's user avatar
  • 347
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 ...
Glorfindel's user avatar
  • 252k
6 votes
0 answers
83 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 ...
Carcigenicate's user avatar
7 votes
0 answers
74 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 ...
Carcigenicate's user avatar
9 votes
0 answers
381 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 ...
infixed's user avatar
  • 207
2 votes
0 answers
50 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 ...
PR4v1's user avatar
  • 71
15 votes
0 answers
356 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 ...
allo's user avatar
  • 1,199
3 votes
1 answer
349 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?...
yukashima huksay's user avatar
3 votes
1 answer
451 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?
Moab's user avatar
  • 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?
Avyansh Katiyar's user avatar
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, ...
Sklivvz's user avatar
  • 36.3k
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 ...
I say Reinstate Monica's user avatar
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, ...
Peter Taylor's user avatar
  • 5,146
8 votes
0 answers
119 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 ...
sehe's user avatar
  • 2,954

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