⚡ User Interface Frameworks in El Salvador

User Interface (UI) frameworks are libraries of code, design elements, and components that help web developers create user interfaces with consistent structure and behavior.

El Salvador is a Central American country with a population of over 6.3 million people.

According to our research, user interface frameworks are used on 72.5% of websites from El Salvador.

Statistics based on 550 analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top UI frameworks in El Salvador in 2026, based on market share.

The most popular is jQuery UI with an impressive share of 52.6%, followed by Bootstrap with 50.1% and Tailwind CSS with 3.3%.

🚀 Highlights

Here is a list of the top frameworks that are more popular in El Salvador than worldwide.
Differences between global and country rankings are shown in parentheses.

✨ Best UI Frameworks

Below is a more detailed list of 13 UI frameworks used on sites from El Salvador, ranked by their market share.

RankNameMarket share
1
jQuery UI
San Francisco, California, United States

A curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library.

FreeOpen source
2
Bootstrap
San Francisco, California, United States

An open-source framework for building responsive, mobile-first websites and web applications with HTML, CSS, and JavaScript, originally developed at Twitter.

FreeOpen source
3
Tailwind CSS
Kitchener, Ontario, Canada

An open-source utility-first framework that provides low-level CSS classes for building user interfaces directly in markup.

FreeOpen source$149+
4
Materialize
Pittsburgh, Pennsylvania, United States

A responsive CSS framework based on Google's Material Design guidelines.

FreeOpen source
5
Tachyons
Boise, Idaho, United States

A lightweight, functional CSS framework that enables the creation of fast, responsive, and accessible web interfaces without writing custom CSS.

FreeOpen source
6
Radzen Blazor
Sofia, Bulgaria

An open-source UI component library for the Blazor framework that provides native C# components with full theming support for both Material Design and Fluent design systems.

FreeOpen source
7
Foundation
Campbell, California, United States

An open-source responsive framework that provides a customizable grid system, a library of UI components, HTML templates, and JavaScript plugins.

FreeOpen source
8
AMP
San Francisco, California, United States

An open-source HTML framework for creating lightweight pages that are optimized for mobile web browsing and load faster.

FreeOpen source
9
W3.CSS
Sandnes, Norway

An open-source, pure CSS framework developed by the W3Schools team, designed for building responsive websites without JavaScript.

FreeOpen source
10
UIKit
Hamburg, Germany

A lightweight and modular front-end framework.

FreeOpen source
11
Bulma
London, United Kingdom

An open-source modular CSS framework based on Flexbox.

FreeOpen source
12
Angular Material
Mountain View, California, United States

A library of UI components for Angular that implements Google's Material Design specification.

FreeOpen source
13
Material UI
Paris, France

An open-source React component library that implements Google's Material Design.

FreeOpen source$180+/developer/year

👉 See Also

🗃️ About This Data