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Jekyll VS Jest

Compare Jekyll VS Jest and see what are their differences

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Jekyll logo Jekyll

Jekyll is a simple, blog aware, static site generator.

Jest logo Jest

Jest is a delightful JavaScript Testing Framework with a focus on simplicity.
  • Jekyll Landing page
    Landing page //
    2023-01-17
  • Jest Landing page
    Landing page //
    2023-09-10

Jekyll features and specs

  • Speed and Performance
    Jekyll generates static websites, which means they load faster compared to dynamic websites. No database queries are required, reducing server overhead and improving performance.
  • Security
    Static sites have a smaller attack surface compared to dynamic sites because they don't rely on databases or server-side code. This means fewer vectors for potential compromises.
  • Simplicity
    Jekyll setups are relatively straightforward, especially if you are comfortable writing in Markdown and HTML. This can make it easier to manage and maintain your website.
  • Integration with GitHub Pages
    Jekyll is designed to work seamlessly with GitHub Pages, allowing you to host your website for free with automatic deployment directly from your GitHub repository.
  • Customizability
    Jekyll allows for extensive customization through its support for plugins, themes, and templates. This can be helpful to create a unique look and functionality for your website.

Possible disadvantages of Jekyll

  • Learning Curve
    While Jekyll is simpler than some other static site generators, it does require some familiarity with the command line, version control (Git), and YAML configuration.
  • Build Time
    For large websites, the build times can become lengthy, which can slow down the development process, especially if you are making frequent updates.
  • Lack of Real-time Content Updates
    Since Jekyll generates static sites, real-time content updates (e.g., comments, dynamic forms) aren't natively supported and require third-party services or additional tooling.
  • Dependence on Ruby
    Jekyll is built with Ruby, so you will need to have Ruby installed and occasionally deal with Ruby-specific issues. This might be a drawback for developers who are not familiar with the Ruby ecosystem.
  • Limited Built-in Functionality
    While Jekyll is very flexible, it doesn’t have built-in support for many features out of the box, which might require you to manually implement or rely on plugins.

Jest features and specs

  • Easy Setup
    Jest provides an out-of-the-box configuration which makes it easy to set up and start testing quickly without needing extensive configuration.
  • Snapshot Testing
    Jest supports snapshot testing, allowing developers to capture the state of UI components, making regression testing easier.
  • Mocking Capabilities
    Jest offers powerful mocking capabilities for functions, modules, and timers, enabling isolated and independent unit tests.
  • Parallel Test Execution
    Jest runs tests in parallel, utilizing multiple workers to speed up test execution and improve performance.
  • Comprehensive Documentation
    Jest has thorough and well-maintained documentation which helps developers easily understand and utilize its features.
  • Watch Mode
    Jest has a watch mode feature that automatically re-runs tests when files are updated, improving development workflow.
  • Built-in Code Coverage
    Jest provides built-in code coverage reports, giving developers insights into which parts of their code are covered by tests.

Possible disadvantages of Jest

  • Performance Overhead
    Jest's parallel test execution can sometimes introduce performance overhead, especially in large projects with many workers firing at once.
  • Test Initialization
    Tests can take longer to initialize due to the need for Jest to transform code from modern JavaScript syntax down to older syntax versions.
  • Limited Browser Testing
    Jest is primarily designed for testing Node.js applications and may require additional configuration or tools for full-featured browser testing.
  • Learning Curve
    For developers unfamiliar with JavaScript testing frameworks, understanding Jest's extensive feature set and configuration options can be challenging.
  • Specific to JavaScript
    Jest is specifically designed for JavaScript and may not be suitable for projects that involve multiple programming languages.

Jekyll videos

+ Add

Getting Started With Jekyll, The Static Site Generator

Jest videos

+ Add

60 Second Book Review: “Infinite Jest” by David Foster Wallace

More videos:

  • Review - How I Get Through Tough Books - Infinite Jest and Proust
  • Review - David Foster Wallace interview on "Infinite Jest" with Leonard Lopate (03/1996)

Category Popularity

0-100% (relative to Jekyll and Jest)

Jekyll

Jest

CMS
100 100%
CMS
0% 0
Developer Tools
0 0%
Developer Tools
100% 100
Blogging
100 100%
Blogging
0% 0
JavaScript Framework
0 0%
JavaScript Framework
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 Jekyll and Jest

Jekyll Reviews

Best Gitbook Alternatives You Need to Try in 2023
Jekyll is a static site generator often used to create blogs and websites, similar to Gitbook in its ability to generate documentation from markdown files. Jekyll is built in Ruby and is known for its flexibility and ease of use. It also has a large community and a wide variety of plugins and themes available. Jekyll's main advantage is that it is highly customizable,...
Source: www.archbee.com
11 Popular Free And Open Source WordPress CMS alternatives in 2021
Unlike some listed alternatives, Jekyll is also a static site generator so it lays in the same category. It uses Ruby and we would say it's simpler, free, and open-source CMS software.
Source: medevel.com
10 static site generators to watch in 2021
Perhaps most conveniently described as Jekyll implemented with JavaScript rather than Ruby, Eleventy has now moved beyond that while retaining a clear and simple on-ramp, and only shipping to the browser what you tell it too. As with Jekyll and Hugo, no JavaScript frameworks are auto-baked in.
Source: www.netlify.com
Hugo vs Jekyll: an Epic Battle of Static Site Generator Themes
Jekyll isn’t strict with its content location. It expects pages in the root of your site, and will build whatever’s there. Here’s how you might organize these pages in your Jekyll site root:
Source: www.freecodecamp.org
9 Reasons I Think Craft is the Best CMS on the Market Today
Craft CMS is simple, minimalistic, agile and has every capability a modern CMS framework needs. Over the past ten years we have worked with every CMS you could think of (Wordpress, Drupal, Rails+ActiveAdmin, Ghost, Weebly, DjangoCMS, Jekyll, Joomla, Tumblr, Squarespace, Expression Engine, Statamic, Blogger)… here are the reasons why we’ve landed firmly with Craft as our №1...
Source: hackernoon.com

Jest Reviews

We have no reviews of Jest yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Jekyll should be more popular than Jest. It has been mentiond 195 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.

Jekyll mentions (195)

  • Building PicoSSG: 'Just Enough Code'
    The static site generator (SSG) landscape is crowded with feature-rich but increasingly complex solutions. As I looked at and used tools like lume, 11ty, lektor, or jekyll, I found myself drowning in configuration options, plugins, and middleware. What started as a simple desire to convert Markdown content into HTML had evolved into learning complex frameworks with steep learning curves. - Source: dev.to / 3 days ago
  • How to create a blog with Quartz, GitHub, and Cloudflare
    If you don't want to use Jekyll as your static site generator for GitHub Pages and you want to have a custom domain for your GitHub Pages. This post is for you! - Source: dev.to / 3 months ago
  • Blogging with Obsidian and Jekyll
    Jekyll is a static site generator that transforms Markdown files into a fully functional website. Everything is generated into plain HTML, which makes it simple to deploy on platforms like GitHub Pages. - Source: dev.to / 3 months ago
  • Create a Blogging Platform With No Backend (Zero Hosting Fee)
    Obviously, there are a dozen choices for generating static websites (efficiently and quickly), from the classic Jekyll to the new Next.js. And you are good to go with any of them as long as your confident with it. I choose 11ty because:. - Source: dev.to / 4 months ago
  • It's easy to dev blog
    In your repository settings you need to turn on GitHub Pages to make it pull Jekyll content (that's the magic✨ default GitHub Pages build tool) from your GitHub repository. - Source: dev.to / 10 months ago
View more

Jest mentions (75)

  • Mastering Webhook & Event Testing: A Guide
    Popular frameworks like Jest, Mocha, or JUnit provide everything you need for effective webhook unit testing, with mocking capabilities that let you simulate external dependencies. - Source: dev.to / 20 days ago
  • Most Effective Approaches for Debugging Applications
    Proactive testing is critical for catching bugs before they reach production. Comprehensive test suites—covering unit, integration, and UI scenarios—detect issues early in the Software Development Lifecycle (SDLC). Roman Surikov, Founder of Ronas IT, advises, “Ensure that [automated testing] covers various scenarios including unit, integration, and user interface testing to catch bugs early.” A 2024 Sauce Labs... - Source: dev.to / 22 days ago
  • Between Diapers and Development – How My Blog Came to Life with Eleventy
    To maximize learning, I could choose something new. Normally, I consider that a valid reason. But given my limited time, that wasn't a priority for me. Another criterion could be long-term viability: Is there a large core team and an active community? Well, who still remembers AngularJS? From Google? And didn’t Facebook/Meta start Jest? I wouldn’t rely too much on that. - Source: dev.to / about 1 month ago
  • Migrating from AngularJS to React
    Additionally, I wrote Jest and Enzyme unit tests to demonstrate how to go about unit testing the components, as test driven development (TDD) is another methodology my organization subscribes to. Jest is a unit testing framework that actually shipped with React if you use the Create React App CLI to make a new React project. And at the time, Enzyme was created by Airbnb and added additional functionality to Jest... - Source: dev.to / about 2 months ago
  • Top React Testing Libraries in 2025
    Jest is a comprehensive testing framework developed by Facebook and is the default choice for testing React applications. It includes built-in capabilities for mocking, spying, and snapshot testing, ensuring minimal setup for testing even the most complex applications. Jest’s extensive support for parallel test execution and interactive features like coverage reporting and watch mode makes it highly efficient. - Source: dev.to / about 2 months ago
View more

What are some alternatives?

When comparing Jekyll and Jest, you can also consider the following products

Hugo - Hugo is a general-purpose website framework for generating static web pages.

react-testing-library - [`React Testing Library`][gh] builds on top of `DOM Testing Library` by adding

Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.

Mochajs - Mocha is a JavaScript test framework running on Node.js and the browser, making asynchronous testing simple.

WordPress - WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.

Vitest - A blazing fast unit test framework powered by Vite

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