The only CAPTCHAs that might be problematic are the ad-based ones. Like we just said, they're there to help sites protect themselves from abusive traffic, DDoS attacks, and other cyber threats. Also, according to them, they use CAPTCHAs to prevent unauthorized account entry. For example, they can act as an efficient barrier against DDoS attacks.Īs for why Google uses CAPTCHAs, it's very likely to keep their servers safe from abusive traffic. The goal is to identify and prevent automated scripts and bots from performing those tasks so that the site doesn't end up flooded with spam.īesides that, CAPTCHAs are also used to protect sites from cyber threats. Websites generally use CAPTCHAs when users want to open an account, post a review, post a comment, or buy a product. ![]() Here's an example of how the No CAPTCHA reCAPTCHA looks like:Įxample of a Google CAPTCHA request when using a VPN ![]()
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