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README.md

speedtest-go

Command Line Interface to Test Internet Speed using speedtest.net.
You can speedtest 2x faster than speedtest.net; nevertheless results are almost the same. see experimental results.

Inspired by sivel/speedtest-cli

Installation

OS X (homebrew)

$ brew tap showwin/speedtest
$ brew install speedtest

### How to Update ###
$ brew update
$ brew upgrade speedtest

Others (Linux, Windows, etc.)

Please download compatible package from Releases.
If there are no compatible package you want, please let me know by issues.

Usage

$ speedtest --help
usage: download [<flags>]

Flags:
      --help             Show context-sensitive help (also try --help-long and --help-man).
  -l, --list             Show available speedtest.net servers
  -s, --server=SERVER    Select server id to speedtest
  -t, --timeout=TIMEOUT  Define timeout seconds. Default: 10 sec
      --version          Show application version.

Select Closest Server by Default

$ speedtest
Testing From IP: 124.27.199.165 (Fujitsu) [34.9769, 138.3831]

Target Server: [6691]     9.03km Shizuoka (Japan) by sudosan
latency: 39.436061ms
Download Test: ................
Upload Test: ................

Download: 73.30 Mbit/s
Upload: 35.26 Mbit/s

Show Available Servers

$ speedtest --list
Testing From IP: 124.27.199.165 (Fujitsu) [34.9769, 138.3831]
[6691]     9.03km Shizuoka (Japan) by sudosan
[6087]   120.55km Fussa-shi (Japan) by Allied Telesis Capital Corporation
[6508]   125.44km Yokohama (Japan) by at2wn
[6424]   148.23km Tokyo (Japan) by Cordeos Corp.
[6492]   153.06km Sumida (Japan) by denpa893
[7139]   192.63km Tsukuba (Japan) by SoftEther Corporation
[6368]   194.83km Maibara (Japan) by gatolabo
[6463]   220.39km Kusatsu (Japan) by j416dy
[6766]   232.54km Nomi (Japan) by JAIST(ino-lab)
[6476]   265.10km Osaka (Japan) by rxy (individual)
[6477]   268.94km Sakai (Japan) by satoweb
...

Select Multiple Servers by Server ID

$ speedtest --server 6691 --server 6087
Testing From IP: 124.27.199.165 (Fujitsu) [34.9769, 138.3831]

Target Server: [6691]     9.03km Shizuoka (Japan) by sudosan
Latency: 23.612861ms
Download Test: ................
Upload Test: ........

Target Server: [6087]   120.55km Fussa-shi (Japan) by Allied Telesis Capital Corporation
Latency: 38.694699ms
Download Test: ................
Upload Test: ................

[6691] Download: 65.82 Mbit/s, Upload: 27.00 Mbit/s
[6087] Download: 72.24 Mbit/s, Upload: 29.56 Mbit/s
Download Avg: 69.03 Mbit/s
Upload Avg: 28.28 Mbit/s

Summary of Experimental Results

Speedtest-go is a great tool because of following 2 reasons:

Following data is summarized. If you got interested in, please see more details.

Download (Mbps)

distance = distance to testing server

  • 0 - 1000(km) ≒ domestic
  • 1000 - 8000(km) ≒ same region
  • 8000 - 20000(km) ≒ really far!
  • 20000km is the half of the circumference of our planet.
distance (km) speedtest.net speedtest-go speedtest-cli
0 - 1000 92.12 91.21 70.27
1000 - 8000 66.45 65.51 56.56
8000 - 20000 11.84 9.43 11.87

Upload (Mbps)

distance (km) speedtest.net speedtest-go speedtest-cli
0 - 1000 65.56 47.58 36.16
1000 - 8000 58.02 54.74 26.78
8000 - 20000 5.20 8.32 2.58

Testing Time (sec)

distance (km) speedtest.net speedtest-go speedtest-cli
0 - 1000 45.03 22.84 24.46
1000 - 8000 44.89 24.45 28.52
8000 - 20000 49.64 34.08 41.26

Contributors

LICENSE

MIT

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