Server

Website & HTTP Tools

Inspect how a web server responds to an external client: status codes, every redirect hop, response headers and timing, and a graded report of the security headers that protect your visitors.

For certificates and HTTPS configuration, use the SSL/TLS checker and the HSTS preload checker in the Security tools.

2 free website tools

Guides: Web & Mail Servers

  • Nginx as a Load BalancerThe upstream block, balancing methods (round-robin, least_conn, ip_hash, hash), health checks (passive open-source vs active Plus), retries and failover, keepalive to upstreams, and TCP/UDP load balancing.
All Web & Mail Servers guides →

Checking a whole domain? The Super Scanner runs every DNS, email, website and security check at once and gives one score.