JavaScript Libraries Usage Statistics and Market Share in Sierra Leone (.sl)

We are tracking usage statistics and market share for 42 web technologies in the JavaScript Libraries market in Sierra Leone (.sl). As of July 2026, the most popular web technology in JavaScript Libraries in Sierra Leone (.sl) is jQuery, with 28% market share. In second place is jQuery Migrate, with 15%. After that, jQuery UI holds 10%, followed by core-js with 6% and Modernizr with 6%. Top 5 web technologies together account for 66% of the market. The remaining 37 web technologies in JavaScript Libraries collectively have a 34% market share. Global JavaScript Libraries market share report is available here.

Last updated: 5 July 2026

JavaScript Libraries Market Share in Sierra Leone (.sl) in July 2026

About JavaScript Libraries

A JavaScript library is a library of pre-written JavaScript which allows for easier development of JavaScript-based applications, especially for AJAX and other web-centric technologies.

We are tracking 42 different technologies in JavaScript Libraries.

There are 982 websites using JavaScript Libraries in Sierra Leone (.sl websites) in out database.

JavaScript Libraries Usage Statistics and Market Share in Sierra Leone (.sl) in July 2026

#1 jQuery 28.11%

jQuery is a JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. It is free, open-source software using the permissive MIT License.

#2 jQuery Migrate 15.48%

jQuery Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9. It basically restores deprecated features and behaviours so that older code will still run properly on the current jQuery version and later.

#3 jQuery UI 10.49%

jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.

#4 core-js 8.25%

core-js is a library that provides the most polyfills for missing JavaScript built-in methods and ECMAScript features across different environments, making it easier to write modern JavaScript code that works in older browsers and environments. It offers comprehensive coverage of the ECMAScript specification, helping to bridge the gap between browser support and the latest JavaScript features.

#5 Modernizr 6.21%

Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers, which lets JavaScript avoid using unimplemented features or use a workaround such as a shim to emulate them. Modernizr aims to provide this feature detection in a complete and standardized manner.

#6 OWL Carousel 4.68%

OWL Carousel is a touch enabled jQuery plugin that lets you create a responsive carousel slider.

#7 Isotope 4.07%

Isotope is a powerful JavaScript library that helps you create visually appealing and interactive grid layouts for your web projects. It allows you to easily organize, filter, and animate a collection of DOM elements in a responsive and dynamic manner. Isotope makes it easy to build engaging and user-friendly grid-based designs with just a few lines of code.

#8 Select2 2.55%

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and pagination (infinite scrolling) of results.

#9 Underscore.js 2.55%

Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.

#10 Lightbox 2.14%

Lightbox is a JavaScript library that displays images and videos by filling the screen, and dimming out the rest of the web page.

#11 FancyBox 2.04%

FancyBox is a tool for displaying images, html content and multi-media in a Mac-style "lightbox" that floats overtop of web page.

#12 Moment.js 2.04%

Moment.js is a free and open source JavaScript library that removes the need to use the native JavaScript Date object directly.

#13 LazySizes 1.63%

LazySizes is a lightweight JavaScript library that optimizes images and videos by lazy loading them, ensuring they only load when needed, thus improving the page load speed and performance. It supports a wide range of image formats and responsive images, and is highly customizable.

#14 Lodash 1.32%

Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.

#15 prettyPhoto 1.02%

prettyPhoto is a jQuery lightbox clone with support for images, videos, flash, YouTube, iframes and ajax.

#16 AOS 0.81%

AOS (Animate on Scroll) is a lightweight JavaScript library that animates HTML elements as they come into the viewport, enhancing user experience with smooth and responsive visual effects. It simplifies the process of creating engaging scroll-based animations.

#17 Flickity 0.61%

Flickity is a JavaScript library that enables easy and customizable image slideshow functionality on websites. It provides smooth transitions and responsive design for an engaging user experience. Flickity also supports various layout options and can handle images of different sizes and orientations. It's a popular choice for building sleek, modern slideshow galleries.

#18 Slick 0.61%

Slick is a jQuery plugin for creating responsive and mobile-friendly carousels (sliders).

#19 Hammer.js 0.61%

Hammer.js is a small, standalone javascript-library that enables multitouch gestures like swipe, pinch, rotate, tap and drag on mobile devices.

#20 DataTables 0.51%

DataTables is a jQuery plugin that transforms a standard HTML table into a highly interactive, dynamic, and customizable table with features such as filtering, sorting, pagination, and responsive design. It simplifies the process of managing and displaying large amounts of data on web pages.

#21 Swiper 0.41%

Swiper is a highly customizable and responsive JavaScript library for creating touch-enabled sliders and carousels. It offers a wide range of built-in features and animations to enhance user experience. Swiper supports various devices and browsers, making it a versatile choice for web developers. It also provides a simple API and seamless integration with other frameworks and plugins.

#22 Boomerang 0.41%

Boomerang is a JavaScript library that measures website performance by recording load times from the user's perspective. It provides insights into how quickly a webpage loads and helps identify areas for optimization. Boomerang is designed to be lightweight and can be used to track various metrics like page load time, initial paint time, and time to interactive.

#23 lit-element 0.31%

lit-element is a lightweight, customizable web component framework that enables developers to create reusable UI elements using modern JavaScript and HTML. It focuses on performance, simplicity, and customizability, allowing for the creation of highly interactive and dynamic user interfaces. lit-element is part of the Lit.dev suite of libraries for building web applications.

#24 lit-html 0.31%

lit-html is a lightweight, high-performance templating library for modern web applications that allows for efficient, two-way data binding and server-side rendering. It enables developers to write clean and reusable templates using HTML-like syntax and provides utilities for managing component state and lifecycle. Lit-html focuses on performance and flexibility, making it suitable for large-scale applications.

#25 ScrollMagic 0.31%

ScrollMagic is a JavaScript library that allows you to create complex scroll animations and interactions on web pages using simple and intuitive coding techniques. It enables developers to manipulate the visual elements on a webpage as the user scrolls, providing an engaging and interactive experience. It is built on top of the popular greensock animation library (GSAP) for smooth and powerful animations.

#26 Axios 0.31%

Axios is a popular JavaScript library for making HTTP requests. It is known for its simplicity and flexibility, allowing developers to easily send AJAX requests, handle responses, and manage request cancellation. It works well with modern web applications and is compatible with both Node.js and the browser.

#27 Highlight.js 0.31%

Highlight.js is a JavaScript library that automatically detects the programming or markup language used in a text and highlights the syntax using CSS. It's commonly used to display code snippets in a readable and visually appealing manner on websites. It works by scanning the text, identifying the language, and applying appropriate styles to the code blocks. Highlight.

#28 Zepto 0.20%

Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API.

#29 Dojo 0.20%

Dojo 2.0 is a modular, lightweight JavaScript library that offers a rich set of user interface components, data processing utilities, and a powerful build tool for creating complex web applications with enhanced performance and accessibility. To make it sound more appealing, add a brief mention of its vibrant community and active ecosystem. Dojo 2.

#30 PhotoSwipe 0.20%

PhotoSwipe is a lightweight, customizable image gallery solution that allows users to easily create responsive, touch-friendly photo and image galleries on websites. It features smooth transitions, infinite scrolling, and supports various image formats. Built with HTML5, CSS3, and JavaScript, it provides an immersive viewing experience for users.

#31 YUI 0.20%

YUI is a free, open source JavaScript and CSS library for building richly interactive web applications.

#32 metisMenu 0.10%

metisMenu is a lightweight, easy-to-use JavaScript plugin that transforms HTML unordered lists into responsive, multi-level dropdown menus, enhancing navigation and usability on web pages. It is particularly useful for organizing complex websites with numerous menu options.

#33 Dropzone 0.10%

Dropzone is a JavaScript library that allows users to easily add drag and drop file uploading functionality to their web applications. It simplifies the process of handling file uploads and provides a user-friendly interface for file selection and uploading. It supports multiple file selection, progress tracking, and custom styling. It is lightweight and can be easily integrated into existing web projects.

#34 Loadable-Components 0.10%

Loadable-Components is a JavaScript library that allows developers to asynchronously load React components and their dependencies, enhancing performance and enabling lazy loading for a better user experience. It simplifies the process of splitting code and assets, making it easier to manage and optimize component loading in large applications.

#35 libphonenumber 0.10%

libphonenumber is a library that helps validate, format, and parse phone numbers in various countries, making it easy to work with international phone numbers in JavaScript. It's maintained by Google and provides a comprehensive set of features for handling phone number validation and formatting.

#36 SoundManager 0.10%

SoundManager 2 is a JavaScript library that enables cross-browser audio playback on web pages. It supports various audio formats and provides a simple API for controlling playback, seeking, and managing audio queues. The library also includes features for handling audio events and customizing the audio player interface.

#37 SweetAlert2 0.10%

SweetAlert2 is a Javascript library that acts as a replacement for alert() function, which allows the use of beautiful modal windows.

#38 scrollreveal 0.10%

scrollreveal is a JavaScript library that animates HTML elements as they come into the viewport, making your web pages more engaging and interactive. It simplifies the process of adding smooth, revealing effects to your content without the need for complex coding.

#39 Polyfill 0.10%

Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.

#40 Prefix-Free 0.10%

Prefix-Free is a tool designed to help web developers eliminate the need for CSS vendor prefixes by automatically adding the necessary prefixes for different browser vendors and versions, ensuring that their styles are applied correctly across multiple browsers. This tool simplifies the process of maintaining CSS code and enhances cross-browser compatibility.

#41 Tippy.js 0.10%

Tippy.js is a lightweight, customizable tooltip and popover library for JavaScript, providing a simple API for easily adding interactive tooltips and popovers to web pages. It is widely used for enhancing user interfaces with dynamic, responsive, and accessible hover and click interactions. The library supports a variety of customization options, themes, and integration with popular front-end frameworks. Tippy.

#42 Clipboard.js 0.10%

Clipboard.js 1.0 is a lightweight, easy-to-use library for copying text to the clipboard with a click or keyboard shortcut. It works across all modern browsers and supports both mouse and keyboard events. Clipboard.js is designed to be unobtrusive and has a small footprint, making it an ideal choice for developers looking to add clipboard functionality to their websites without adding extra complexity.