Does Replit provide HTTPS and SSL?

Replit automatically provisions TLS certificates for all deployed applications, so HTTPS is enabled by default on repl.co and replit.dev domains. Custom domains added to Replit Deployments also receive automatic SSL certificates. However, Replit does not enforce HSTS (HTTP Strict Transport Security) headers by default, which means browsers may still attempt insecure HTTP connections on first visit. The TLS configuration is managed by Replit and individual developers cannot customize cipher suites or certificate pinning. UNPWNED verifies SSL configuration, certificate validity, and HSTS enforcement on your Replit-hosted application.