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I tried other captcha providers like hcaptcha and cloudflare turnstile but they didn't stop bots in their free versions. This one actually worked!
Based on our record, Bot Blocker seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I did a lot of work on this many years ago at Google. As the article says, it can work well and be minimally invasive for users (they need to run JS but that's a much lower bar than solving complicated CAPTCHAs). There are several services like Turnstile. I'm an advisor to Ocule [1] which is a similar thing, except it's a standalone service you can use regardless of your serving setup rather than being integrated... - Source: Hacker News / about 2 years ago
hCaptcha - Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.
Deflect.bot - Deflect offers seamless protection against bad bots, account takeovers, payment fraud, and spamโno CAPTCHAs, no user friction.
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
mosparo - the modern spam protection
Cloudflare Turnstile - Cloudflare's service for any company to replace CAPTCHAs and deliver a better experience to web visitors.
TrustCaptcha - Protect your website from spam and automated attacks with our invisible CAPTCHA solution.