Is there a free way to test if my website is getting traffic from bots that hide behind VPNs and proxies?

Yes, BotRefund offers a free bot audit that can show evidence of network-level evasion vectors. The audit checks for mismatches like DNS Challenge Blocked and reports them as part of the evidence. Since a single mismatch is not a bot verdict, the audit also uses cross-checked context and AI prediction to build a reliable picture. This is a practical first step before committing to a paid plan.