JavaScript Libraries Usage Statistics and Market Share in Puerto Rico (United States) (.pr)

We are tracking usage statistics and market share for 45 web technologies in the JavaScript Libraries market in Puerto Rico (United States) (.pr). As of July 2026, the most popular web technology in JavaScript Libraries in Puerto Rico (United States) (.pr) is jQuery, with 28% market share. In second place is jQuery Migrate, with 10%. After that, Modernizr holds 9%, followed by jQuery UI with 8% and core-js with 8%. Top 5 web technologies together account for 63% of the market. The remaining 40 web technologies in JavaScript Libraries collectively have a 37% market share. Global JavaScript Libraries market share report is available here.

Last updated: 5 July 2026

JavaScript Libraries Market Share in Puerto Rico (United States) (.pr) 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 45 different technologies in JavaScript Libraries.

There are 1,071 websites using JavaScript Libraries in Puerto Rico (United States) (.pr websites) in out database.

JavaScript Libraries Usage Statistics and Market Share in Puerto Rico (United States) (.pr) in July 2026

#1 jQuery 28.20%

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 9.52%

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 Modernizr 9.34%

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.

#4 jQuery UI 9.34%

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

#5 core-js 7.75%

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.

#6 Boomerang 4.48%

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.

#7 Lodash 4.30%

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

#8 LazySizes 2.99%

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.

#9 Isotope 2.71%

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.

#10 Select2 2.43%

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

#11 Underscore.js 2.43%

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.

#12 Moment.js 2.15%

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

#13 OWL Carousel 1.77%

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

#14 FancyBox 1.68%

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

#15 Hammer.js 1.40%

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

#16 Lightbox 1.31%

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

#17 YUI 1.12%

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

#18 lit-html 0.84%

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.

#19 lit-element 0.75%

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.

#20 Slick 0.65%

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

#21 prettyPhoto 0.56%

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

#22 Zepto 0.47%

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

#23 AOS 0.47%

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.

#24 Flickity 0.37%

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.

#25 Lozad.js 0.37%

Lozad.js is a lightweight JavaScript library that efficiently loads images on-demand as they enter the viewport, enhancing page performance by deferring the loading of images until they are needed. It supports custom threshold settings and is easy to integrate into existing projects.

#26 Fingerprintjs 0.19%

Fingerprintjs is a JavaScript library that generates a unique identifier for a user's browser and device, which can be used for website tracking and user profiling. The library leverages various browser features and device characteristics to create a fingerprint that is difficult to alter, providing a more accurate and consistent user identification compared to traditional cookies.

#27 Microsoft Authentication 0.19%

Microsoft Authentication Library (MSAL) is a JavaScript-based authentication framework for securing web applications and services with Azure Active Directory (AAD) or Microsoft Account (MSA) logins. It simplifies the integration of authentication into web apps, offering secure token acquisition and management.

#28 Loadable-Components 0.19%

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.

#29 scrollreveal 0.19%

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.

#30 Apollo 0.19%

Apollo is a powerful GraphQL client and server framework that enables efficient and reliable data fetching in web applications. It provides tools for building, testing, and deploying GraphQL APIs, and includes features like caching, subscriptions, and authentication to help developers create robust and scalable applications. With Apollo, developers can easily integrate GraphQL into their JavaScript projects and gain greater control over data management.

#31 Tippy.js 0.19%

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.

#32 web-vitals 0.19%

web-vitals is a set of JavaScript libraries provided by Google Chrome to help developers measure and improve the performance, interactivity, and visual experience of web pages. It includes functions to calculate and categorize key performance metrics like Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift.

#33 crypto-js 0.19%

crypto-js is a JavaScript library that provides cryptographic algorithms and functions for securing data in web applications. It includes a wide range of algorithms such as AES, MD5, SHA-256, and more, and is designed to be easy to use and integrate into web projects. It is also highly compatible and works well across different browsers and platforms.

#34 Dojo 0.09%

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.

#35 libphonenumber 0.09%

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 ScrollMagic 0.09%

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.

#37 Selectize 0.09%

Selectize is a JavaScript library that enhances and customizes HTML <select> elements, making them more interactive and user-friendly. It supports multiple selections, customizable dropdowns, and various input methods. Its primary goal is to improve the user experience of working with dropdown menus on the web. Selectize is widely used for creating dynamic and responsive form elements, particularly for selecting and managing multiple options.

#38 Snap.svg 0.09%

Snap.svg is a JavaScript library for drawing vector graphics and manipulating SVG elements. It simplifies the process of creating, animating, and manipulating SVG graphics, making it easier for developers to work with scalable vector graphics in web applications. It is lightweight, fast, and has a clean API. It allows for easy integration with other JavaScript frameworks and libraries.

#39 SoundManager 0.09%

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.

#40 PubSubJS 0.09%

PubSubJS is a lightweight library for implementing publish/subscribe messaging in JavaScript applications. It allows for easy communication between different parts of a program or across different scripts, enabling asynchronous event handling and decoupled code structures. The library provides a simple API for publishers to emit events and subscribers to listen for them.

#41 Prefix-Free 0.09%

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.

#42 Axios 0.09%

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.

#43 Clipboard.js 0.09%

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.

#44 Highlight.js 0.09%

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.

#45 Howler.js 0.09%

Howler.js is a lightweight, flexible JavaScript library for playing audio files with support for volume control, looping, and multiple audio files in one file. It simplifies the process of integrating audio into web applications. Howler.js provides a simple API for managing audio playback, making it easy to add audio functionality to websites and web applications.