Questions tagged [captcha]
An anti-spam technique that was developed to block robots from spamming a site. CAPTCHA works by asking the user to answer a question or solve a problem (such as reading a bit of text in an image) that computers were supposedly incapable of solving but humans were.
42 questions
3 votes
1 answer
67 views
Can Cloudflare CAPTCHA page pop up when a user fetches non-HTML content such as an image?
For non-HTML content, does Cloudflare still display the Cloudflare CAPTCHA page? A more concrete example Assuming I have a website that hosts images. I have also created a client app that fetches ...
- 175
4 votes
1 answer
74 views
How to protect from spam when the legislation forces you to display the email address?
Context I want to protect a ecommerce website from email spam, whilst the legislation in my country makes mandatory to publish an email contact address on ecommerce sites. As an additional constraint, ...
- 357
2 votes
2 answers
4k views
How to get hCaptcha work with contact form 7 (WordPress)?
I don't manage to get hcaptcha to work with Wordpress contact form 7 forms: I have created an account and site at hcaptcha, then installed the hcaptcha plug-in according to the guide at https://...
- 113
2 votes
0 answers
48 views
One day after putting my site online and registering it with Google I got spam mail. How?
I put my website online yesterday and registered it with Google at the same time. Before that, I didn't even put a single link to the site anywhere online. And I don't have any email address on my ...
3 votes
1 answer
1k views
Does recaptcha version 3 detect and block Googlebot as a bot?
I am trying to protect my back-end resources using re-captcha from misuse from bots however am not sure of its implication on SEO. There is little information clarifying about this issue. From re-...
- 185
1 vote
1 answer
280 views
Direct links to Google translate blocked
I have a blog where i post articles gathered from the net (french) and sometimes when i want to add a foreign language but interesting article, i just put the href value as : https://translate.google....
- 13
3 votes
0 answers
47 views
Does a form review stage decrease submissions by robots?
A relatively recent change to (some?) SE sites is the Review button instead of submitting the question immediately. I have always promoted a review stage. One benefit is that the user gets a chance to ...
- 293
2 votes
1 answer
168 views
Cloudflare giving JavaScript challanges / captcha on javascript files?
I'm trying to set up Cloudflare properly for my site. Most things seem to work properly, but when I tried to load the page in Tor, I ran into a problem. The HTML loaded properly, but when Tor tried to ...
- 121
1 vote
1 answer
620 views
Is it safe if I use the same Google Recaptcha site key and secret key on 2 different servers?
I have 2 servers, staging server and production server. Server staging is used for testing my website. While the production server is for live website Now I use the same site key and secret key for ...
- 345
0 votes
0 answers
246 views
How exactly does Recaptcha V3 work?
I just learned that Google came out with this new version of Recaptcha that supposedly detects the difference between a human and bot submission without any required input from the human, such as ...
1 vote
0 answers
50 views
ReCaptchaNoCaptcha support for VisualEditor in MediaWiki? [closed]
Need help with MediaWiki installation. I successfully installed MediaWiki. Added VisualEditor and Mobilefrontend. With this in place you can edit my site using visual editor but you cannot save it ...
- 131
1 vote
1 answer
35 views
Is it possible to replace Google's Nocaptcha challenge with distorted letters?
I'm using nocaptcha on a form. It is convenient, since for a lot of users the challenge is not triggered, but for the others the "select street signs/store fronts/vehicles" appears. Is it possible to ...
- 125
4 votes
2 answers
1k views
Can Googlebot crawl reCAPTCHA v2?
I'm building a website that contains certain forms protected by reCAPTCHA v2. Can Googlebot crawl content protected by its own reCAPTCHA v2?
- 152
2 votes
1 answer
94 views
Up-and downsides of a humanoid/common-sense question verification method as replacement of Captcha?
I have thought about my own verification opposed to captcha / digit typing. It would look like this, practically: I am wondering if anyone that brainstorms can think of vulnerabilities of this sort ...
- 21
0 votes
1 answer
152 views
Should captcha be used on every vulnerable page, or just on initial page load to deter robots?
I do not know too much about how hackers compromise websites but am careful about sanitizing all posted data. I am using Google ReCaptcha on most of the pages on a website. Would it suffice to have ...
- 223