⚡ 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 73% of websites from El Salvador.

⭐ 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 52.7%, followed by Bootstrap with 49.1% and Tailwind CSS with 3.3%.

jQuery UI 52.7%
Bootstrap 49.1%
Tailwind CSS 3.3%
Materialize 1.3%
Tachyons 1%
Foundation 0.5%
AMP 0.5%
W3.CSS 0.5%
UIKit 0.5%
Radzen Blazor 0.5%
Material UI 0.3%
Bulma 0.3%
Angular Material 0.3%

🚀 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.

1. jQuery UI ^(-1)
4. Materialize ^(-4)
5. Tachyons ^(-10)
8. W3.CSS ^(-6)

✨ Best UI Frameworks

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

Rank	Name	Market 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	52.7%
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	49.1%
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+	3.3%
4	Materialize Pittsburgh, Pennsylvania, United States A responsive CSS framework based on Google's Material Design guidelines. FreeOpen source	1.3%
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	1%
6	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	0.5%
7	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	0.5%
8	W3.CSS Sandnes, Norway An open-source, pure CSS framework developed by the W3Schools team, designed for building responsive websites without JavaScript. FreeOpen source	0.5%
9	UIKit Hamburg, Germany A lightweight and modular front-end framework. FreeOpen source	0.5%
-	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 UI design systems. FreeOpen source	0.5%
11	Material UI Paris, France An open-source React component library that implements Google's Material Design. FreeOpen source$180+/developer/year	0.3%
12	Bulma London, United Kingdom An open-source modular CSS framework based on Flexbox. FreeOpen source	0.3%
13	Angular Material Mountain View, California, United States A library of UI components for Angular that implements Google's Material Design specification. FreeOpen source	0.3%

👉 See Also

🌎 UI Frameworks in other countries

Data is based on the analysis of 533 websites from El Salvador.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.