A CAPTCHA alternative with no puzzle. Stops fake signups, spam registrations, form spam and card-testing bots, plus VPN, proxy and Tor traffic.
Alternatives to Proxy & VPN Blocker
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Blocks VPNs, proxies, Tor, datacenter IPs and bad bots. Plus firewall, login protection and country blocking. Free plan, no card needed.
Security plugin blocking spam bots from harvesting email addresses, phone numbers & addresses. Dual-layer anti-spam protection with auto-detection.
A simple and lightweight yet rock-solid plugin that blocks comment spam using multiple automatic detection methods.
Stop Contact Form 7 spam with honeypot protection, automatic IP blocking, duplicate submission prevention, disposable email filtering, rate limiting, …
One-page WooCommerce checkout hardening; bot blocking, rate/sequence checks, business/email heuristics, and optional AVS-based risk signals.
Block fake, disposable, and non-existent emails via SMTP verification. 5 free verifications/day, no signup needed.
A simplified, restored, and preserved version of the original Stop Spammers plugin.
Stop card testing, fake orders, comment spam, and AI crawlers with no CAPTCHA. 100% local, no account or API key, works instantly on activation.
Block spam comments, defend against login attacks, strengthen site security. Anti-spam, brute-force protection & two-factor authentication built in.