captcha

Acronym: Completely Automated Public Turing test to Tell Computers and Humans Apart.

Tests that are easy for a human to pass, but difficult for a computer (thus preventing things like automated signups).

An image with random letters and/or numbers used to prevent spammers from using computer programs to automatically register accounts and/or post/send unwanted advertisements.

that annoying thing with letters and number (e.g. A7FF9YTP) that sucks a lot when you do it wrong cause you have go back and do another one.

Those really annoying things where you have to find all cars in a picture or type out a phrase like 789obe to prove your not a human

to shoot at in cold blood

A CAPTCHA is a test to see if you are a robot while signing in to sights, posting stuff, etc. For some reason, Internet workers decided that just because a robot can make accounts, post stuff and all that doesn't mean it can tap a ✅ on a box or select all the pictures with traffic lights and all that stuff. No, that's impossible but making users and everything isn't. Of course.

A racist test used to prevent non-humans from entering your website