Network Diagnostic Tools
37+ free network tools — speed test, ping, DNS, port scan, SSL, traceroute, WHOIS and the Connection Doctor. Measurements run on self-hosted api.speedtest.doctor.
Speed & Connection
7Download, upload, latency, jitter and packet loss — the vital signs of your line.
Speed Test Download, upload, ping & jitter Live soon Ping / Latency Round-trip time to many servers Live soon Jitter Test Stability of your latency Planned Packet Loss Dropped packets over time Planned Bufferbloat Latency under load (gaming/VoIP) Planned Stability (long run) Monitor over minutes/hours Planned Test History Save & compare results Planned
DNS
7Resolve, benchmark and audit the domain name system your network relies on.
DNS Speed Test Benchmark 1.1.1.1, 8.8.8.8 & more Planned DNS Leak Test Spot DNS leaks (privacy/VPN) Live soon DNS Lookup A / AAAA / MX / TXT / NS records Live soon Propagation Checker Global propagation status Planned Reverse DNS IP → hostname (PTR) Planned WHOIS Domain registration data Planned DNSSEC Checker Validate DNSSEC chain Premium
IP
6Discover, locate and audit IP addresses — yours and anyone else's.
Wi-Fi & Local Network
4Channels, signal quality and router health across your home or office.
Web / Site
7Measure any website or host: TTFB, Core Web Vitals, routing and TLS.
Website Speed Test TTFB, load, Core Web Vitals Live soon Ping a Host Reachability & latency Live soon Traceroute Path your packets take Planned HTTP Headers Inspect response headers Planned SSL/TLS Checker Certificate, expiry, grade Planned Is It Down? Up or down, right now Planned Uptime Monitor Scheduled monitoring Premium
Security & Privacy
5Check for leaks, verify your VPN and see how trackable you really are.
Diagnosis (Doctor)
1The differentiator: runs the full panel, then explains the verdict, the likely causes and what to do next.