Polyfill
What is Polyfill?
Polyfill belongs to JavaScript libraries category.
Polyfill is an intelligent service that bridges the gap between modern web features and older browser capabilities. It dynamically analyzes the requesting browser's capabilities and returns only the necessary polyfills - code snippets that replicate newer functionality in older environments. This approach ensures optimal...
Polyfill Performance Insights
26 websites
Websites using Polyfill
Last 30 days uptimeⓘ
99.551%
60
Performance
82
Accessibility
89
Best Practices
90
SEO
Polyfill friendly technologies
Google Analytics
jQuery
Google Font API
Webpack
Cart Functionality
Open Graph
core-js
Google Tag Manager
PHP
Module Federation
Top Polyfill Alternatives
@sulu/web
1 website|1 uptime cardNo description available.

math.js
1 website|1 uptime cardMath.js is a comprehensive JavaScript library for mathematical operations and scientific computing. It extends JavaScript's native Math object with a wide array of functions for algebra, arithmetic, matrices, units, and more. Math.js supports symbolic computation, big number arithmetic, and complex numbers, making it suitable for both simple calculations and advanced mathematical modeling. Its flexible expression parser allows for natural mathematical syntax, enhancing readability and ease of use in scientific and engineering applications.
Htmx
21 websites|20 uptime cardsHtmx is a modern JavaScript library that allows you to access AJAX, CSS Transitions, WebSockets, and Server Sent Events directly in HTML, using attributes. It's designed to make it easy to build modern user interfaces with the simplicity and power of hypertext. Htmx extends and enhances HTML, allowing for more dynamic and interactive web applications without the need for complex JavaScript frameworks. This approach can significantly reduce the amount of JavaScript needed in many web applications, making it an attractive option for developers looking to build interactive web applications with a minimal and intuitive API.

Locomotive Scroll
1 website|1 uptime cardLocomotive Scroll is a modern, opinionated JavaScript library for creating smooth scrolling experiences and advanced scroll-based animations. It offers a range of features including parallax effects, speed-based animations, and directional awareness. Locomotive Scroll stands out for its performance optimization techniques, such as using IntersectionObserver and RequestAnimationFrame for efficient animations. This library is particularly useful for creating engaging, scroll-driven websites with complex animations and interactions, often seen in portfolio sites, product showcases, and storytelling web experiences.
Marked
4 websites|3 uptime cardsMarked is a fast and efficient Markdown parser and compiler written in JavaScript. It converts Markdown-formatted text into HTML, making it invaluable for applications that handle user-generated content or documentation. Marked is known for its speed, flexibility, and extensibility, allowing developers to customize parsing rules and output. It supports GitHub Flavored Markdown and can be used both in browser and Node.js environments. Marked is widely used in content management systems, documentation tools, and any application requiring Markdown rendering.