Newly listed sites

DNS and mail configuration reports with protocol references

Look up mail routing and investigate server DNS

Discover domain-related hosts and DNS infrastructure

Compare domain answers across public DNS resolvers

Probe loss and jitter through browser WebRTC

Browser measurements of download, upload and ping

Internet speed testing with mobile coverage resources

Browser speed measurements with history and CSV export

Host a browser speed test with configurable telemetry

Browser bandwidth tests with a self-hosting option

Research-oriented Internet measurements with public result data

Measure throughput, jitter, loss and application-oriented network quality

Netflix's browser speed test with loaded-latency details

Inspect captured traffic at the protocol level

Combine network benchmarks into repeatable experiments

Benchmark throughput and end-to-end network latency

Throughput and responsiveness tests from the continuing iperf2 project

Measure throughput between controlled network endpoints

Graph ping responses directly in a terminal

Send ICMP probes to many hosts from one program

Graph and alert on several network endpoints

Monitor ICMP or TCP responses from several hosts

Follow a network route while collecting ping statistics

Process planetary and deep-sky images on Windows