They're meant to prevent bot traffic to sites and protect from DDOS attacks

they also often prevent legitimate traffic from poorer countries, and aggressively so

Well thems the breaks!

I do not believe they limit it themselves, they just follow setting set by others. You can choose to block all traffic from certain counties of you want. Or not.

What the other commenter said and also accessibility issues, aand overall this is a problem which shouldn't face the end user at all. Just browsing has become just a nuisance after a nuisance nowadays. Just like cookie modals not adhering to browser settings or hiding the reject all behind extra steps.

Sorry, I assumed this was already common knowledge. There's another thread fork from a comment.

Tl;dr they're not good at their purpose and cause unneeded annoyance to users.

Yeah would be sick if LLMs and bots just disappeared overnight

Captchas ain't stopping them anyway

i meant other types of captchas as well, but yes, cloudflare is fairly configurable. I also know other captchas can be more aggressive. And of course captchas can also block or harass "high privacy" configuration browsers and clients, and there's also the strategy of infinite delay, where a captcha is never quite sure you're really a human, so you have to work through 12 phases of it only to have to do the exact same thing again the next time you're on the site. Recaptcha V3 with its "automatic" background captcha is also in a surprising amount of places you'd never know about unless you're infected with some kind of The-Mainstream-Internet-Hates-You disease. Captchas discriminating against poor countries isn't some big secret though, as far as I'm aware it's fairly well known.

And the cloudflare ones are broken as fuck. It varies but I often just can't pass them. Answer it, wheel goes round and then back to having to tick it and start again. Beep boop.

If I see a cloudflare check I often just don't bother loading the site at all.