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
27 websites
Websites using Polyfill
Last 30 days uptimeⓘ
99.685%
3.09s
Page Load
64
Performance
83
Accessibility
91
Best Practices
91
SEO
Polyfill friendly technologies
jQuery
Google Analytics
Google Font API
Webpack
Cloudflare
Open Graph
core-js
Module Federation
PHP
Google Tag Manager
Who Uses Polyfill?
User Demographics
Competitive Advantage
Fragrance shoppers with older devices enjoy full site functionality; alternatives limit access or break layouts.
User demographics for sites using Polyfill
Education level
All
Occupation
All
Race & ethnicity
All
Brand affinity
Varied
Political leaning
All
Tech savviness
Intermediate
User Demographics
Competitive Advantage
Fragrance shoppers with older devices enjoy full site functionality; alternatives limit access or break layouts.
User demographics for sites using Polyfill
Education level
All
Occupation
All
Race & ethnicity
All
Brand affinity
Varied
Political leaning
All
Tech savviness
Intermediate
Top Polyfill Alternatives
@sulu/web
1 website|1 uptime cardNo description available.

math.js
8 websites|8 uptime cardsMath.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.

Wurfl
1 website|1 uptime cardWURFL.js is JavaScript that detects device models of smartphones, tablets, smart TVs and game consoles accessing your website.
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.