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Three.js VS Svelte

Compare Three.js VS Svelte and see what are their differences

Three.js logo Three.js

A JavaScript 3D library which makes WebGL simpler.

Svelte logo Svelte

Cybernetically enhanced web apps
  • Three.js Landing page
    Landing page //
    2019-05-05
  • Svelte Landing page
    Landing page //
    2023-07-27

We recommend LibHunt Svelte for discovery and comparisons of trending Svelte projects.

Three.js features and specs

  • Ease of Use
    Three.js simplifies the complex task of 3D rendering with an intuitive API, making it accessible to developers who may not have deep expertise in 3D graphics.
  • Cross-Browser Compatibility
    Three.js is built upon WebGL, ensuring compatibility across modern browsers, including Chrome, Firefox, Safari, and Edge.
  • Comprehensive Documentation
    The library offers extensive documentation, examples, and an active community, which helps in quickly resolving issues and understanding implementation.
  • Integration with HTML and CSS
    Three.js can be easily integrated with HTML and CSS, allowing for the blending of 2D and 3D elements in web applications.
  • Extensive Features
    It supports a wide range of features including cameras, lights, materials, shaders, and post-processing effects, making it highly versatile for various 3D projects.

Possible disadvantages of Three.js

  • Performance Overhead
    Despite its powerful capabilities, Three.js can have significant performance overhead, especially for complex scenes, which might require optimization.
  • Learning Curve
    While easier than raw WebGL, Three.js still has a learning curve, particularly for those new to 3D graphics, requiring time to become proficient.
  • Limited Built-in Advanced Tools
    Although feature-rich, Three.js lacks some advanced tools out-of-the-box compared to more specialized or industry-standard 3D engines, necessitating custom solutions for certain tasks.
  • Dependency on WebGL
    Three.js relies on WebGL, meaning it cannot be used in environments where WebGL is not supported, which can limit accessibility and compatibility.
  • Frequent Updates
    The library is actively developed, which is generally positive, but frequent updates can mean breaking changes, requiring developers to frequently refactor their code.

Svelte features and specs

  • Performance
    Svelte shifts much of the work from runtime to compile time, resulting in faster and more efficient web applications. By compiling components to highly optimized vanilla JavaScript, it reduces the overhead and boosts performance.
  • File Size
    Due to its compile-time nature, Svelte produces smaller bundle sizes compared to other frontend frameworks like React or Angular, which can significantly improve load times and performance.
  • Simplicity
    The framework is designed to be more accessible and easier to understand. Svelte’s syntax is clean and straightforward, allowing developers to get up and running quickly with minimal boilerplate.
  • Reactivity
    Svelte provides a simple and intuitive way to handle reactivity by using built-in language constructs like assignments. This means no complicated state management libraries are necessary for many use cases.
  • Less Boilerplate
    Svelte reduces the boilerplate code typically required in other frameworks, resulting in a cleaner and more maintainable codebase. This can help accelerate development and reduce bugs.
  • Reactive Programming
    SvelteKit leverages Svelte's reactive programming model, allowing developers to write less code while achieving better functionality through automatic reactivity.
  • Integrated Router
    SvelteKit includes a built-in router, which simplifies the creation of multi-page applications and enables easy setup of dynamic routes.
  • SSR and SSG
    SvelteKit supports Server-Side Rendering (SSR) and Static Site Generation (SSG) out of the box, giving developers flexibility in how they build and deploy their applications.
  • Opinionated but Flexible
    While SvelteKit provides an opinionated setup to streamline the development process, it also allows for customization to fit a developer’s specific needs.

Possible disadvantages of Svelte

  • Ecosystem Maturity
    Svelte’s ecosystem is not as mature or extensive as React’s or Angular’s. There are fewer third-party libraries, tools, and resources available, which might make it more challenging to find solutions for less common problems.
  • Learning Curve
    While Svelte itself is simpler, its approach is quite different from traditional frameworks like React and Angular. This can require a mental shift and time to learn new paradigms, especially for developers coming from those backgrounds.
  • Community Support
    Given that Svelte has a smaller user base and community compared to more established frameworks, finding community support, tutorials, and best practices can sometimes be more difficult.
  • Tooling
    While Svelte has good official tooling and support, it may lack some of the advanced tools and integrations available for other frameworks, which can slow down development for more complex applications.
  • SEO and SSR
    Although Svelte has options for server-side rendering (SSR) and improving SEO, handling these aspects is not as out-of-the-box or mature compared to frameworks like Next.js for React.
  • Community Size
    SvelteKit has a smaller community compared to other frameworks, which can affect the availability of online resources, tutorials, and community-driven support.
  • Tooling and Integration
    Some commonly used development tools and integrations may not be fully compatible with SvelteKit, necessitating workarounds or additional configuration.
  • Frequent Updates
    As a newer framework, SvelteKit undergoes frequent updates and changes, which can sometimes lead to breaking changes or require developers to frequently update their knowledge and projects.
  • Market Adoption
    SvelteKit is less adopted in the industry compared to other frameworks, which might make it a less attractive option for companies looking for widely recognized and vetted solutions.

Three.js videos

Getting Started With Three.js

More videos:

  • Review - Ricardo Cabello (Mr doob) - 5 years of three.js

Svelte videos

SvelteKit Breaking Changes 2022 - My Reactions and What You Need to Know!

More videos:

  • Review - Svelte vs React vs Angular vs Vue
  • Tutorial - SvelteKit Crash Course Tutorial #1 - What is SvelteKit?
  • Review - Why Svelte is the best JS "framework"
  • Review - Oh crap, here comes *another* JavaScript framework || SVELTE || Sveltejs

Category Popularity

0-100% (relative to Three.js and Svelte)
Javascript UI Libraries
34 34%
66% 66
Flowcharts
100 100%
0% 0
JavaScript Framework
0 0%
100% 100
Charting Libraries
100 100%
0% 0

User comments

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Reviews

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

Three.js Reviews

Top 20 Javascript Libraries
Cross-browser JS library and API that allows for the creation of beautiful animations, Three.js relies on WebGL rather than conventional browser-plugins. Through its library utilities, developers can include complex 3D animations on their website without much effort. Three.js include many features like geometry, lights, materials, shaders, effects, scenes, data loaders,...
Source: hackr.io

Svelte Reviews

Top JavaScript Frameworks in 2025
SvelteJS is a modern JavaScript framework that is useful for building static web apps that are fast, lean, and fun. You can use Svelte to build single, reusable components and large or even small-scale projects. Svelte has started gaining attention because of its ability to produce smaller code bundles that run faster in web browsers.
Source: solguruz.com
Top 10 Next.js Alternatives You Can Try
This web development framework can help you perform the easiest tasks to develop the interface components that users can interact with within their browsers, such as the comment section. Moreover, it has SvelteKit to render the components of the entire page with best practices and developments. You can utilize this platform effortlessly to add basic functionalities and...
20 Next.js Alternatives Worth Considering
Cruise into the Svelte ecosystem with Sapper, a framework that takes all the brilliance of Svelte and dials it up for app building. It’s like Svelte’s outgoing cousin, optimizing for an even smoother ride from development to go-live.
10 Best Next.js Alternatives to Consider Today
SvelteKit, the official framework for Svelte, streamlines the development of Svelte applications. With an intuitive API, SvelteKit simplifies the creation of server-side rendered (SSR) and statically generated (SSG) applications while retaining the reactive nature that makes Svelte unique. If you're seeking a framework that marries simplicity with powerful capabilities,...
The 20 Best Laravel Alternatives for Web Development
The next of these Laravel alternatives is Svelte. It cuts through the complexity, snipping off any excess, pre-compiling its magic to keep your app lightweight without shedding any muscle. The end result? Lightning strikes in web performance.

Social recommendations and mentions

Based on our record, Svelte should be more popular than Three.js. It has been mentiond 387 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.

Three.js mentions (247)

  • Turn your phone into a wireless Joy-Con with SyncoPath
    The phone in the codepath sample got rendered using Three.js. For fun, I also added some beep sound generated using ZZfx when you tap. - Source: dev.to / about 2 months ago
  • How to Build a Portfolio Website with React
    Also, to make your portfolio stand out to recruiters and clients, you can add some creative and interactive animations to it. The following libraries can help you easily do this: Framer Motion, tsParticles, and Three.js. - Source: dev.to / 3 months ago
  • Rant: state of generative AI in code generation.
    In my experience with AI code generation, in visual projects like UI development or JavaScript based animation (using three.js or p5.js) etc. AI tools work pretty well. - Source: dev.to / 3 months ago
  • My son (9 yrs old) used plain JavaScript to make a game, and wants your feedback
    After he's done with v2, might I propose... THE GAMEY GAME 3D ?? https://threejs.org/ I started coding at 9 as well (which was a long time ago now), so I was very happy to play and see this today. - Source: Hacker News / 5 months ago
  • Optimizing Three.js: 4 Key Techniques
    But code can also create something visually stunning, something everyone can appreciate. This is where tools like Three.js shine. However, Three.js can be heavy, especially when used in a dynamic web page accessed by devices with varying computational power. - Source: dev.to / 5 months ago
View more

Svelte mentions (387)

  • Hyper – Outperform React on every metric
    What is the advantage over Svelte (https://svelte.dev/)? Especially since Svelte is already established and has an ecosystem. - Source: Hacker News / 4 days ago
  • SVQK - A Web Application Development Platform Using Svelte + Quarkus
    At Project Au Lait, we are developing and publishing an open-source asset called SVQK, which combines Svelte (Frontend) and Quarkus (Backend) for web application development. The asset includes automated testing tools and source code generation tools. This article introduces an overview of SVQK. (For instructions on how to use SVQK, refer to the Quick Start.). - Source: dev.to / 17 days ago
  • Why Svelte Might Be the Best Framework You Haven't Tried Yet 🚀
    Embrace the Ecosystem: Explore tools like SvelteKit for full-fledged app development. - Source: dev.to / 2 months ago
  • Firebase: deploy a React application with Firebase Hosting
    Vite is a modern build tool created by Evan You, the same developer behind Vue.js. It is designed to provide a faster and leaner development experience for modern web projects. You can use Vite to create front-end projects in seconds: React, Svelte, Lit, Qwik and many others modern frameworks are supported. - Source: dev.to / 3 months ago
  • Lexical 0.24 with Vanilla JS: Getting started
    Lexical is an open source project and considered the successor of Draft.js. It is primarily developed by Meta, licensed under MIT. It is not restricted to React, but supports Vanilla JS, too. The flexibility enables us to integrate it with other JS libraries such as Svelte and Vue. - Source: dev.to / 3 months ago
View more

What are some alternatives?

When comparing Three.js and Svelte, you can also consider the following products

p5.js - JS library for creating graphic and interactive experiences

React - A JavaScript library for building user interfaces

PixiJS - Fast and flexible WebGL-based HTML5 game and app development library.

Vue.js - Reactive Components for Modern Web Interfaces

Pixi.js - Fast lightweight 2D library that works across all devices

Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.