On: Google's Captcha in Firefox vs. in Chrome

[burtonator]

They also changed it so that if you've seemed human in the past, they're able to determine if you're probabilistically a human now.

This data is a few years old but I imagine it's the same based on my experience.

They're using your cookie + IP + your account data to determine if you're probably a human.

A LOT of reCAPTCHA sites never prompt you. You only know if it's there because you're on Tor or something.

[kccqzy → burtonator]

> A LOT of reCAPTCHA sites never prompt you.

That has only happened to me in Chrome, not Firefox or Safari. Which is the subject of this article.