Software Alternatives, Accelerators & Startups

speedtest-cli VS VizDiff

Compare speedtest-cli VS VizDiff and see what are their differences

speedtest-cli logo speedtest-cli

Test your download speed using SpeedTest on the command-line

VizDiff logo VizDiff

Visual screenshot testing for storybook + github
  • speedtest-cli Landing page
    Landing page //
    2023-08-01
Not present

speedtest-cli features and specs

  • Open Source
    Speedtest-cli is open-source, meaning the source code is freely available for anyone to inspect, modify, and enhance.
  • Command Line Interface
    Allows users to run internet speed tests from the command line, which can be useful for automation, scripting, and use on headless servers.
  • Platform Independent
    Runs on multiple systems including Windows, macOS, and Linux, making it versatile for use across different environments.
  • Integration Capabilities
    Can be easily integrated with other applications and monitoring systems for automated performance tracking and reporting.
  • No Ads
    Unlike web-based speed test services, speedtest-cli does not display any advertisements, offering a cleaner user experience.

Possible disadvantages of speedtest-cli

  • Requires Terminal Knowledge
    Users need to be familiar with the command line interface, which might be a barrier for those who are accustomed to graphical user interfaces.
  • No Graphical Output
    Lacks a visual representation of the speed test results, which can be a disadvantage for users who prefer graphical data.
  • Limited Server Selection
    Automated server selection might not always choose the best server for testing, potentially affecting the accuracy of results.
  • Dependencies
    Speedtest-cli relies on Python and the 'pip' package manager, which may require additional setup steps for some users.
  • Feature Limitations
    Not all features of the web-based Speedtest service (like detailed historical data) are available in the CLI version.

VizDiff features and specs

  • User-Friendly Interface
    VizDiff provides an intuitive user interface that makes it easy for users to load and compare visual data without a steep learning curve.
  • Efficient Comparison
    The tool allows for quick and efficient comparison of images or visual data, saving time in analysis.
  • Detailed Analysis
    Provides tools for in-depth analysis of differences between visual inputs, which can be crucial for recognizing subtle changes.
  • Integration Capabilities
    Offers integration with other platforms and tools, enhancing its utility in various tech stacks.

Possible disadvantages of VizDiff

  • Limited Features for Advanced Users
    While the tool is user-friendly, it may lack advanced features needed by power users for complex analysis.
  • Pricing Model
    Depending on the user's needs, the pricing model might seem expensive, particularly for smaller teams or individual users.
  • Dependency on Internet
    Being an online tool, its functionality requires an internet connection, which could limit use in offline scenarios.
  • Compatibility Issues
    There might be compatibility issues with certain file formats or systems, requiring additional steps to ensure usage.

Analysis of speedtest-cli

Overall verdict

  • Speedtest-cli is a reliable and effective tool for quickly assessing internet speed from the command line. It is well-regarded in the tech community for personal use, troubleshooting, and integration into network monitoring solutions.

Why this product is good

  • Speedtest-cli is a popular command-line tool that allows users to measure Internet bandwidth performance by using the Speedtest.net infrastructure. It is favored for its simplicity, ease of use, and ability to function on systems without a graphical user interface. It supports automated testing through scripts, making it suitable for batch processing and integration into monitoring systems.

Recommended for

  • System administrators who need a tool to monitor bandwidth performance across different machines.
  • Developers who require automation of speed tests in scripts.
  • Users who prefer command-line interfaces instead of graphical user interfaces.
  • Individuals seeking a lightweight and straightforward way to test internet speed without additional software installations.

Analysis of VizDiff

Overall verdict

  • VizDiff is a solid visual regression and screenshot testing tool that helps teams catch unintended UI changes automatically, making it a good choice for maintaining visual quality in web applications.

Why this product is good

  • Automated visual regression testing that detects unintended UI changes across builds
  • Easy integration with popular CI/CD pipelines and development workflows
  • Pixel-level and layout comparison to catch subtle visual bugs
  • Time-saving compared to manual QA and visual inspection
  • Helps maintain consistent UI across browsers, devices, and screen sizes

Recommended for

  • Frontend and web development teams
  • QA engineers focused on UI/visual testing
  • Agencies managing multiple client websites
  • Teams practicing continuous integration and deployment
  • Product teams that prioritize consistent, polished user interfaces

speedtest-cli videos

Testing Internet Bandwidth From The Terminal Using Speedtest-cli

More videos:

  • Review - Test internet bandwidth using speedtest-cli

VizDiff videos

No VizDiff videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to speedtest-cli and VizDiff)
Developer Tools
86 86%
14% 14
Speed Test
100 100%
0% 0
Software Development
0 0%
100% 100
Internet
100 100%
0% 0

User comments

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Social recommendations and mentions

Based on our record, speedtest-cli seems to be more popular. It has been mentiond 13 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

speedtest-cli mentions (13)

  • CLI Tools every Developer should know
    Or, you can follow the installation instructions on the official GitHub repository: SpeedTest-CLI Installation Guide. - Source: dev.to / over 2 years ago
  • Routing table confusion, or did Kirkland move to Kansas?
    That's a community cli client https://github.com/sivel/speedtest-cli rather than the official cli client https://www.speedtest.net/apps/cli. Source: about 3 years ago
  • running script via cron does not provide full output
    If you read the docs for Speedtest-CLI you will see that the program timeouts after 10 seconds. Try using this for default timeout of 1 minute and also redirect errors to the same file. Speedtest-cli --timeout 60 >> /bin/speedtestoutput.txt 2>&1. Source: over 3 years ago
  • Press 'Enter' to Run a SpeedTest (Update v2.5.4) - Self-Hosted SpeedTest - Docker
    Already exists https://github.com/sivel/speedtest-cli/, mature, stable, packaged in major distributions. Source: over 3 years ago
  • Can I accept license agreements for my end-users?
    I have an open-source software, which can show some stats about your PC/Server. One of those stats is internet speed. I have been using speedtest-cli for now, since it is open-source and runs without having to accept any license agreements. Source: about 4 years ago
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VizDiff mentions (0)

We have not tracked any mentions of VizDiff yet. Tracking of VizDiff recommendations started around May 2025.

What are some alternatives?

When comparing speedtest-cli and VizDiff, you can also consider the following products

Fast.com - Quickly test your internet speed with this fast-loading speed test powered by Netflix.

Cypress.io - Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

LibreSpeed - Self-hosted Speedtest for HTML5. Easy setup, examples, configurable, mobile friendly.

Codecov - Develop healthier code using Codecov's leading, dedicated code coverage solution. Try it free

SpeedOf.Me - SpeedOf.Me is an HTML5 Internet speed test. No Flash or Java needed!

Tusk - A refined open-source desktop app for Evernote 🐘