Software Alternatives, Accelerators & Startups

Fast.com VS D3.js

Compare Fast.com VS D3.js and see what are their differences

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Fast.com logo Fast.com

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

D3.js logo D3.js

D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
  • Fast.com Landing page
    Landing page //
    2023-09-23
  • D3.js Landing page
    Landing page //
    2023-07-11

D3 allows you to bind arbitrary data to a Document Object Model (DOM), and then apply data-driven transformations to the document. For example, you can use D3 to generate an HTML table from an array of numbers. Or, use the same data to create an interactive SVG bar chart with smooth transitions and interaction.

D3 is not a monolithic framework that seeks to provide every conceivable feature. Instead, D3 solves the crux of the problem: efficient manipulation of documents based on data. This avoids proprietary representation and affords extraordinary flexibility, exposing the full capabilities of web standards such as HTML, SVG, and CSS. With minimal overhead, D3 is extremely fast, supporting large datasets and dynamic behaviors for interaction and animation. D3’s functional style allows code reuse through a diverse collection of official and community-developed modules.

Fast.com features and specs

  • Simplicity
    Fast.com has a clean and straightforward interface, making it very easy for users to test their internet speed without any distractions or complications.
  • Ad-Free
    The website does not contain any advertisements, providing a seamless and uninterrupted user experience.
  • Integration with Netflix
    Fast.com is created by Netflix, which ensures that the speed test results are optimized for streaming services, giving users a reliable indicator of how well they can stream content on the platform.
  • Quick Results
    The speed test begins automatically as soon as the website loads, providing users with rapid results without the need for additional clicks or inputs.
  • Mobile-Friendly
    Fast.com is optimized for mobile devices, making it easy for users to test their internet speed on smartphones and tablets.

Possible disadvantages of Fast.com

  • Limited Metrics
    Fast.com primarily focuses on download speed and does not provide as comprehensive a range of metrics as some other speed test websites, such as upload speed, latency, and jitter.
  • No Server Selection
    Users cannot choose which server to run the speed test against, which can sometimes result in less accurate measurements for specific network conditions.
  • No Historical Data
    Fast.com does not offer features to save or track historical speed test results, limiting users' ability to monitor their internet performance over time.
  • Lack of Customization
    There are no options to customize the test parameters, such as test duration or concurrency levels, which might be relevant for more advanced users.
  • Geared for Streaming
    Since Fast.com is tailored for Netflix streaming, it may not fully represent other usage scenarios, such as gaming or file downloads, which require different network performances.

D3.js features and specs

  • Powerful Visualization
    D3.js allows for the creation of highly customized and interactive data visualizations, harnessing the full power of web standards like SVG, Canvas, and HTML.
  • Data Binding
    It offers robust support for data-driven transformations and binding, enabling intuitive connections between data sets and DOM elements.
  • Community and Ecosystem
    A large and active community contributes to tutorials, plugins, and tools, which can significantly simplify the development process.
  • Flexibility
    D3.js is highly flexible, providing low-level manipulation capabilities without being tied to any specific chart types or patterns.
  • Performance
    It is highly optimized for performance, allowing for efficient rendering of complex visualizations even with large data sets.

Possible disadvantages of D3.js

  • Steep Learning Curve
    D3.js has a steep learning curve due to its low-level nature and requires a solid understanding of JavaScript, DOM manipulation, and data concepts.
  • Complexity
    Creating complex visualizations can be time-consuming and require a significant amount of custom code, making it less approachable for quick, simple tasks.
  • Browser Compatibility
    Although widely supported, some D3.js features may have inconsistent behavior across different browsers, requiring additional testing and debugging.
  • Documentation
    While extensive, D3.js documentation can be challenging for beginners to navigate and understand, causing misunderstandings and slower development times.
  • Dependency Management
    The library itself is modular, but managing dependencies and integrating D3.js with other JavaScript frameworks or libraries can sometimes be problematic.

Fast.com videos

Speedtest.net vs Fast.com | why different results ?

More videos:

  • Review - Measure your Internet speed with Fast.com
  • Review - Fast.com: Better than speedtest.net?

D3.js videos

Data Visualization with D3.js - Full Tutorial Course

More videos:

  • Review - Let's learn D3.js - D3 for data visualization (full course)

Category Popularity

0-100% (relative to Fast.com and D3.js)
Speed Test
100 100%
0% 0
Charting Libraries
0 0%
100% 100
Developer Tools
100 100%
0% 0
Data Visualization
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 Fast.com and D3.js

Fast.com Reviews

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D3.js Reviews

6 JavaScript Charting Libraries for Powerful Data Visualizations in 2023
Depending on your requirements, the best JavaScript library is D3.js, as it’s by far the most customizable. However, it’s also really complex and difficult to master. Plus, it’s not as compatible with TypeScript as it is with JavaScript, which can be off-putting for some developers. If you’d prefer a less complex library that you can use with TypeScript, ECharts, and...
Source: embeddable.com
15 JavaScript Libraries for Creating Beautiful Charts
When we think of charting today, D3.js is the first name that comes up. Being an open source project, D3.js definitely brings many powerful features that were missing in most of the existing libraries. Features like dynamic properties, Enter and Exit, powerful transitions, and syntax familiarity with jQuery make it one the best JavaScript libraries for charting. Charts in...
Top 20 Javascript Libraries
D3 stands for Data-Driven Documents. With D3, you can apply data-driven transformations to DOM objects. The keyword with D3 is ‘data-driven,’ which means documents are manipulated depending on the data received. Data can be received in any format and bound with DOM objects. D3 is very fast and supports dynamic behavior for animation and interactions. There are plenty of...
Source: hackr.io
20+ JavaScript libraries to draw your own diagrams (2022 edition)
D3.js is a JavaScript library for manipulating documents based on data. Right now, I would say is the most popular library of its kind.
15 data science tools to consider using in 2021
Another open source tool, D3.js is a JavaScript library for creating custom data visualizations in a web browser. Commonly known as D3, which stands for Data-Driven Documents, it uses web standards, such as HTML, Scalable Vector Graphics and CSS, instead of its own graphical vocabulary. D3's developers describe it as a dynamic and flexible tool that requires a minimum amount...

Social recommendations and mentions

Based on our record, Fast.com seems to be a lot more popular than D3.js. While we know about 1685 links to Fast.com, we've tracked only 167 mentions of D3.js. 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.

Fast.com mentions (1685)

  • SLOWWWWWWWWWWWWWW VPN IPSEC HOW TO CONFIGURATION HELPPPP
    Is this for remote access VPN? If so, what kind of bandwidth are you seeing on a speed test site like fast.com (with the VPN off) compared to the VPN bandwidth you're experiencing? Source: over 1 year ago
  • I am a MacOS user, new to windows and my wifi won’t load fast enough; are these updates the issue?
    What result do you get from fast.com ? What about if you ping your router? Source: over 1 year ago
  • Is this good speed?
    Websites like speedtest.net, fast.com and etc do provide measurement in megabits, and even with that, speedtest.net provides it between you and your ISP(mostly) only. So if you want to download something from lets say, YouTube, the speed will be slightly different because now you're connecting to Google's server, not your ISP's server. This is because speedtest.net has partnership with ISPs so that speedtest.net... Source: over 1 year ago
  • Help!!! FPS AND downloading games speeds.
    If fast.com and speedtest.net are fast, then it's not the computer or your internet. Source: over 1 year ago
  • Internet shuts off when downloading
    If you try a speed test with only your PC connected via LAN (visit fast.com), do you get reasonable upload and download speeds? Are the speeds consistent? Source: over 1 year ago
View more

D3.js mentions (167)

  • IO Devices and Latency
    Do you mean something for data visualization, or tricks condensing large data sets with cursors? https://d3js.org/ Best of luck =3. - Source: Hacker News / about 2 months ago
  • 2024 Nuxt3 Annual Ecosystem Summary🚀
    Document address: D3.js Official Document. - Source: dev.to / 4 months ago
  • 100+ Must-Have Web Development Resources
    D3.js: One of the most popular JavaScript visualization libraries. - Source: dev.to / 7 months ago
  • What are npm Peer Dependencies and how to use them?
    A Dependency is an npm package that our code depends on in order to be able to run. Some popular packages that can be added as dependencies are lodash, D3, and chartjs. - Source: dev.to / 7 months ago
  • Introducing RacingBars 📊
    RacingBars is an open-source, light-weight (~45kb gzipped), easy-to-use, and feature-rich javascript library for bar chart race, based on D3.js. - Source: dev.to / 9 months ago
View more

What are some alternatives?

When comparing Fast.com and D3.js, you can also consider the following products

Speedtest.net - Test your Internet connection bandwidth to locations around the world with this interactive broadband speed test from Ookla

Chart.js - Easy, object oriented client side graphs for designers and developers.

Testmy.net - Accurately test your Internet connection speed with this powerful broadband speed test. Improve your bandwidth speed with the truth.

Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application

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

Plotly - Low-Code Data Apps