Software Alternatives, Accelerators & Startups

speedtest-cli VS Preact.js

Compare speedtest-cli VS Preact.js and see what are their differences

speedtest-cli logo speedtest-cli

Test your download speed using SpeedTest on the command-line

Preact.js logo Preact.js

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
  • speedtest-cli Landing page
    Landing page //
    2023-08-01
  • Preact.js Landing page
    Landing page //
    2023-05-11

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.

Preact.js features and specs

  • Size
    Preact is very small in size (about 3KB gzipped), which makes it easy to load and faster to execute, resulting in improved performance and quicker load times.
  • Compatibility
    Preact is largely compatible with React, allowing developers to switch to Preact with minimal code changes. This makes it easier to adopt for projects already using React.
  • Performance
    Due to its small size and efficient design, Preact offers excellent performance, especially on low-powered devices and in applications with heavy user interactions.
  • Ecosystem
    Preact can work with many tools and libraries that are designed for React, giving developers access to a rich ecosystem of resources.
  • Community
    Preact has an active and growing community that provides support, plugins, and third-party tools, making it easier for developers to find solutions and share knowledge.

Possible disadvantages of Preact.js

  • Feature Set
    While Preact covers most of the core React features, it lacks some of the advanced functionality present in React, which may require additional workarounds or third-party libraries.
  • Learning Curve
    For developers coming from a non-React background, learning Preact might involve a learning curve, particularly because of its similarities and subtle differences with React.
  • Tooling Compatibility
    Although many tools designed for React can work with Preact, some might not be directly compatible, requiring additional configuration or patches.
  • Community Size
    While Preact has a supportive community, it is smaller compared to the massive React community, which can result in fewer available resources and third-party packages.
  • Maturity
    Preact, being newer and less widely adopted than React, might not have the same level of battle-tested reliability for all use cases, especially for large scale applications.

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 Preact.js

Overall verdict

  • Preact.js is a strong option for projects where performance and load time are critical, or where a light footprint is necessary. Its compatibility with React makes it a flexible and efficient alternative in scenarios where React may be overkill due to its larger size.

Why this product is good

  • Preact.js is known for its small size and high performance, making it an excellent choice for developers who need a lightweight alternative to React without sacrificing functionality. It offers a familiar API for React developers, ensuring an easy transition, and is highly efficient in terms of rendering performance. Preact also offers excellent compatibility with existing React tools and ecosystems, meaning many React packages work seamlessly with Preact.

Recommended for

    Preact.js is recommended for developers building applications with stringent performance requirements, those needing to optimize for fast loading times in environments with limited bandwidth or resources, or those looking to integrate React-like architecture in smaller projects without introducing the full weight of the React library.

speedtest-cli videos

Testing Internet Bandwidth From The Terminal Using Speedtest-cli

More videos:

  • Review - Test internet bandwidth using speedtest-cli

Preact.js videos

JS frameworks are replaceable

Category Popularity

0-100% (relative to speedtest-cli and Preact.js)
Developer Tools
44 44%
56% 56
Javascript UI Libraries
Speed Test
100 100%
0% 0
JavaScript Framework
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare speedtest-cli and Preact.js

speedtest-cli Reviews

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Preact.js Reviews

Top JavaScript Frameworks in 2025
PreactJS is a JavaScript library that is said to be the fast 3Kb alternative to ReactJS using the same modern API. It implements the fastest virtual DOM compared to other frameworks in the market. Moreover, it is one of the smallest libraries in terms of size.
Source: solguruz.com
20 Next.js Alternatives Worth Considering
Preact is like Reactโ€™s little sibling, smaller in size but with the same familiar moves. Itโ€™s cutting down the fluff and zipping through tasks with less overhead. When performance budgets are tight, Preact wiggles in perfectly.
20 Best JavaScript Frameworks For 2023
Preact is built with the same core principle of React โ€“ A component-based approach with Virtual DOM while completely compatible with React. It can even use React packages without compromising on speed, performance, and leaner size. In instances where the full potential of React isnโ€™t necessary, most developers even use React during development and switch to Preact for...
Top 15 jQuery Alternatives To Know
ReactJS is a powerful JavaScript library to create user interfaces. Developers can design easy views at each stage in the application and there is regular update and rendering for the actual components whenever there is any data alteration. It is component-driven and creates encapsulated components that manage their own state.
Top 5 JavaScript Frameworks To Learn in 2021
But according to the graph above, we can notice a decrease in interest in Preact. This might result from having many similar frameworks with the same specs, like react-lite, Inferno, etc. However, knowing a framework like Preact will be useful for your development journey.
Source: enlear.academy

Social recommendations and mentions

Based on our record, Preact.js should be more popular than speedtest-cli. It has been mentiond 97 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 / about 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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Preact.js mentions (97)

  • How to Convert Supplier CSVs to Shopify/Amazon/WooCommerce Without Uploading to a Server
    eBay: 30+ fields (item specifics, variations, shipping) Each schema is a JSON file defining field names, data types, and validation rules. The mapper walks source โ†’ target assignments and applies type coercion (string โ†’ number, date formatting, etc.) before export. The entire app stays under 200 KB gzipped by avoiding heavy UI libraries. It's built with Preact + htm (no JSX build step) and styled with Tailwind CSS... - Source: dev.to / about 2 months ago
  • Can Claude Code migrate VanillaJS/HTML/CSS to Preact/Tailwind?
    First of all, I was concerned that React would add a lot of overhead for a Chrome Extension, which should be pretty light and quick. So I decided to use Preact, which, as its homepage states, is a "fast 3kB alternative to React with the same modern API.". - Source: dev.to / 3 months ago
  • Shopify App: October 2025 Updates
    And because of this change Shopify have also moved to Preact as the main framework for building UI extensions. Preact if you haven't heard of it is a smaller and faster alternative to React but is compatible with React. - Source: dev.to / 10 months ago
  • Spin up Bun + Preact full-stack app in minutes ๐Ÿš€
    Bun makes full-stack TypeScript feel almost too easy - a fast runtime, a dev server with HMR, and a bundler. In this post weโ€™ll spin up a minimal app that serves an HTML page, mounts a Preact component, and exposes a tiny API. - Source: dev.to / 10 months ago
  • Progressive frustration
    How do I retro-fit nextjs instructions on the Flagsmith website to fit Deno's fresh over preact? - Source: dev.to / over 1 year ago
View more

What are some alternatives?

When comparing speedtest-cli and Preact.js, you can also consider the following products

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

Svelte - Cybernetically enhanced web apps

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

React - A JavaScript library for building user interfaces

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

Vue.js - Reactive Components for Modern Web Interfaces