⚡ User Interface Frameworks
User Interface (UI) frameworks are libraries of typical code, design elements, and components that help web developers create user interfaces.
According to our research, user interface frameworks are used on 43.7% of all websites.
82.9% of these sites use only one UI framework, 16.5% use two, and 0.6% use three or more at the same time.
⭐ Most Popular in 2025
The following chart shows the leading UI frameworks in 2025, based on market share.
The most popular is Bootstrap with a substantial share of 66.3%, followed by jQuery UI with 38.1% and Tailwind CSS with 4.5%.
You can also drill down by country:
🚀 Highlights
Here is a list of frameworks that are particularly popular in certain countries.
Differences between global and country rankings are shown in parentheses.
✨ Best UI Frameworks
Below is a more detailed list of the top 25 of the 56 UI frameworks we detect, ranked by their market share.
Rank Name Market share
1
BootstrapSan Francisco, California, United States A popular HTML, CSS, and JavaScript framework originally developed at Twitter.
66.3%
2
jQuery UISan Francisco, California, United States A curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library.
38.1%
3
Tailwind CSSKitchener, Ontario, Canada An open-source, utility-first CSS framework for rapid UI development.
4.5%
4
FoundationCampbell, California, United States A free responsive front-end framework that includes a fully customizable grid, a large library of Sass mixins, JavaScript plugins, and full accessibility support.
2.9%
5
UIKitHamburg, Germany A lightweight and modular front-end framework.
2.1%
6
BulmaLondon, United Kingdom A modern CSS framework based on Flexbox.
0.8%
7
MaterializePittsburgh, Pennsylvania, United States A responsive CSS framework based on Material Design.
0.4%
8
Spectre.cssA lightweight, responsive and modern CSS framework.
0.3%
9
Material UIParis, France An open source React component library that implements Google's Material Design.
0.2%
10
LayuiHangzhou, China A Chinese modular front-end UI library.
0.2%
11
W3.CSSSandnes, Norway An open source, pure CSS framework with built-in responsiveness developed by the W3Schools team.
0.2%
12
Pure CSSNew York, United States A responsive CSS framework developed by Yahoo.
0.2%
13
TachyonsBoise, Idaho, United States CSS framework enables the creation of fast, responsive and accessible interfaces without writing CSS.
0.2%
14
Radix UISan Francisco, California, United States An open-source component library optimized for fast development, easy maintenance, and accessibility.
0.2%
15
Kendo UIBurlington, Massachusetts, United States A commercial bundle of four JavaScript UI libraries built natively for jQuery, Angular, React, and Vue.
0.1%
16
Semantic UINew York, United States A component framework based around useful principles from natural language.
0.1%
17
Angular MaterialMountain View, California, United States Component infrastructure and Material Design components for Angular.
0.1%
18
Material Design LiteMountain View, California, United States An implementation of Material Design components in vanilla CSS, JS, and HTML.
0.09%
19
Chakra UIManchester, United Kingdom A comprehensive library of accessible, reusable, and composable React components.
0.08%
20
Ant DesignHangzhou, China An enterprise-level UI design language and React component library.
0.06%
21
VuetifySouthlake, Texas, United States An open-source, no design-skills-required UI library of beautifully handcrafted Vue components.
0.06%
22
VantA lightweight, customizable Vue UI library for mobile web apps.
0.05%
23
YAML FrameworkBerlin, Germany A modular and lightweight CSS framework for flexible, accessible and responsive websites.
0.05%
24
AngularJS MaterialMountain View, California, United States An implementation of Google's Material Design Specification (2014-2017) for AngularJS developers.
0.04%
25
RiotZurich, Switzerland Simple and elegant component-based UI library.
0.04%
Data updated September 14, 2025