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Speedtest CLI by Ookla
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Speedtest CLI by Ookla.md
<title>Speedtest CLI by Ookla</title>

Speedtest

Name

speedtest - Speedtest CLI by Ookla is the official command line client for testing the speed and performance of your internet connection.

Version

1.0.0

Synopsis

    speedtest [-aAbBfhiIpPsv] [--ca-certificate=path] [--format=[=format-type]] [--help] [--interface=interface]
    [--ip=ip_address] [--output-header] [--precision=num_decimal_places] [--progress=yes|no]
    [--selection-details] [--server-id=id] [--servers] [--unit=[=unit-of-measure]] [--version]

Description

speedtest is an application that measures the latency, jitter, packet loss, download bandwidth, and
upload bandwidth of the network connection between the client and a nearby Speedtest
Server.

Options

  • -h, --help
    Print usage information

  • -v
    Logging verbosity, specify multiple times for higher verbosity (e.g. -vvv)

  • -V, --version
    Print version number

  • -L, --servers
    List nearest servers

  • –selection-details
    Show server selection details

  • -s id, –server-id=id
    Specify a server from the server list using its id

  • -o hostname, –host=hostname
    Specify a server from the server list using its hostname

  • -f format_type –format=format_type
    Output format (default = human-readable)
    Note: Machine readable formats (csv, tsv, json, jsonl, json-pretty) use bytes
    as the unit of measure with max precision.

    format_type values are as follows:

    • human-readable human readable output
    • csv comma separated values
    • tsv tab separated values
    • json javascript object notation (compact)
    • jsonl javascript object notation (lines)
    • json-pretty javascript object notation (pretty)

  • –output-header
    Show output header for CSV and TSV formats

  • -u* unit_of_measure***, --unit*** unit_of_measure*
    Output unit for displaying speeds (Note: this is only applicable
    for ‘human-readable’ output format and the default unit is Mbps)

    • bps bits per second (decimal prefix)
    • kbps kilobits per second (decimal prefix)
    • Mbps megabits per second (decimal prefix)
    • Gbps gigabits per second (decimal prefix)
    • kibps kilobits per second (binary prefix)
    • Mibps megabits per second (binary prefix)
    • Gibps gigabits per second (binary prefix)
    • B/s bytes per second
    • kB/s kilobytes per second
    • MB/s megabytes per second
    • GiB/s gigabytes per second
    • auto-binary-bytes automatic in binary bytes
    • auto-decimal-bytes automatic in decimal bytes
    • auto-binary-bytes automatic in binary bits
    • auto-binary-bytes automatic in decimal bits

  • -a
    Shortcut for [-u auto-decimal-bits]

  • -A
    Shortcut for [-u auto-decimal-bytes]

  • -b
    Shortcut for [-u auto-binary-bits]

  • -B
    Shortcut for [-u auto-binary-bytes]

  • -P decimal_places –precision=decimal_places
    Number of decimal_places to use (default = 2, valid = 0-8)

  • -p yes|no –progress=yes|no
    Enable or disable progress bar (default = yes when interactive)

  • -I interface –interface=interface
    Attempt to bind to the specified interface when connecting to servers

  • -i ip_address –ip=ip_address
    Attempt to bind to the specified IP address when connecting to servers

  • –ca-certificate=path
    Path to CA Certificate bundle, see note below.

Terms of Use and Privacy Policy Notices

You may only use this Speedtest software and information generated from it for personal, non-commercial use,
through a command line interface on a personal computer. Your use of this software is subject to the End User
License Agreement, Terms of Use and Privacy Policy at these URLs:

Output

Upon successful execution, the application will exit with an exit code of 0. The result will include
latency, jitter, download, upload, packet loss (where available), and a result URL.

Latency and jitter will be represented in milliseconds. Download and upload units will depend on the output
format as well as if a unit was specified. The human-readable format defaults to Mbps and any machine-readable
formats (csv, tsv, json, jsonl, json-pretty) use bytes as the unit of measure with max precision. Packet loss is represented as a percentage, or Not available when packet loss is unavailable in the executing network environment.

The Result URL is available to share your result, appending .png to the Result URL will create a
shareable result image.

Example human-readable result:

$ speedtest
    Speedtest by Ookla

 Server: Speedtest.net - New York, NY (id = 10390)
    ISP: Comcast Cable
Latency:    57.81 ms   (3.65 ms jitter)



Download:    76.82 Mbps (data used: 80.9 MB)
Upload:    37.58 Mbps (data used: 65.3 MB)
Packet Loss:     0.0%
Result URL: https://www.speedtest.net/result/c/8ae1200c-e639-45e5-8b55-41421a079250

Network Timeout Values

By default, network requests set a timeout of 10 seconds. The only exception to this
is latency testing, which sets a timeout of 15 seconds.

Fatal Errors

Upon fatal errors, the application will exit with a non-zero exit code.

Initialization Fatal Error Examples:

Configuration - Couldn’t connect to server (Network is unreachable)

Configuration - Could not retrieve or read configuration (ConfigurationError)

Stage Execution Fatal Error Example:

[error] Error: [1] Latency test failed for HTTP

[error] Error: [36] Cannot open socket: Operation now in progress

[error] Failed to resolve host name. Cancelling test suite.

[error] Host resolve failed: Exec format error

[error] Cannot open socket: No route to host

[error] Server Selection - Failed to find a working test server. (NoServers)

SSL Certificate Locations

By default the following paths are checked for CA certificate bundles on linux machines:

/etc/ssl/certs/ca-certificates.crt
/etc/pki/tls/certs/ca-bundle.crt
/usr/share/ssl/certs/ca-bundle.crt
/usr/local/share/certs/ca-root-nss.crt
/etc/ssl/cert.pem

If the device under test does not have one of the above mentioned files, then the canonical and up to date CA certificate bundle provided by the curl project can be manually
downloaded into a specific location. This specific location can be provided as a parameter per the following example:

wget https://curl.haxx.se/ca/cacert.pem
./ookla --ca-certificate=./cacert.pem

Release Notes

1.0.0 - 10/29/2019

  • Initial release

Copyright Notices for Third-Party Products/Libraries

This software incorporates free and open source third-party libraries, including:

Inclusion of mbed TLS is subject to presentation of the following license terms
to recipients of this software: http://www.apache.org/licenses/LICENSE-2.0
(a copy of which is included with the documentation of this software)

Inclusion of libcurl is subject to distribution of the software with the following notice:

Copyright (c) 1996 - 2019, Daniel Stenberg, daniel@haxx.se, and many contributors,
see the THANKS file.  All rights reserved.  Permission to use, copy, modify, and distribute
this software for any purpose with or without fee is hereby granted, provided that
the above copyright notice and this permission notice appear in all copies.

Inclusion of getopt.h is subject to distribution of the software with the following notice:

DISCLAIMER
This file is part of the mingw-w64 runtime package.

The mingw-w64 runtime package and its code is distributed in the hope that it
will be useful but WITHOUT ANY WARRANTY.  ALL WARRANTIES, EXPRESSED OR
IMPLIED ARE HEREBY DISCLAIMED.  This includes but is not limited to
warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan.com>


Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.


Copyright (c) 2000 The NetBSD Foundation, Inc.
All rights reserved.


This code is derived from software contributed to The NetBSD Foundation
by Dieter Baron and Thomas Klausner.


Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:


    

  1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
    2. 

  2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.

Inclusion of PicoSHA2 is subject to distribution of the software with the following notice:

Copyright (c) 2017 okdshin

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:


The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

Inclusion of musl is subject to distribution of the software with the following notice:

Copyright © 2005-2019 Rich Felker, et al.

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:


The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

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