nPerf is a tool to test and evaluate the quality of your internet connection.
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Best Speedtest Alternatives ranked by AI · updated Aug 2026
Speedtest is an online and client-based service for measuring internet download speed, upload speed, latency, and sometimes packet loss. It is designed for consumers, support teams, and operators who need quick tests against a distributed server network.
Top 6 Speedtest alternatives
OpenSignal is a mobile analytics company that specializes in wireless coverage mapping.
3
Flent
Toke Høiland-Jørgensen and contributors
Flent is an open-source network benchmarking front end for running repeatable tests and visualizing their results. It is aimed at network engineers...
Pros
- Combines multiple network test tools into repeatable benchmark scenarios
- Produces clear plots for latency, throughput, and bufferbloat analysis
- Supports batch testing and automated result comparison
Cons
- Requires command-line networking tools and configuration knowledge
- Less convenient for one-off connectivity checks than Speedtest
- Has a steeper setup and learning curve than iperf3
Free, open source
Netperf is a benchmark that can be used to measure the performance of many different types of networking. It provides a number...
LibreSpeed is a lightweight internet speed test that runs on any web server and does not require third-party services.
Cloudflare Radar is a public internet intelligence service that reports network performance, traffic, outages, and mobile speed trends by geography. It is...
Pros
- Provides global mobile speed and internet-quality trends in a single dashboard
- Offers geographic and time-based comparisons beyond a typical speed-test result
- Free to access without requiring an account
Cons
- Does not replace a direct, on-device speed test like Speedtest
- Some metrics are aggregated and may not represent a specific carrier or location
- Less useful for diagnosing an individual connection than M-Lab or Speedtest
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