🆚 Polyfill vs. RequireJS

Compare technologies based on real-world usage data *

📈 Polyfill is much more popular than RequireJS.
🌎 Polyfill is more popular in the United States, the United Kingdom, and Japan.
🌍 RequireJS is more popular in Brunei Darussalam.

Type

JavaScript library

About

Polyfill.io is an open-source JavaScript library that provides modern web API features to older browsers that do not natively support them.

After a supply chain attack in 2024 involving its cdn.polyfill.io domain, the service was discontinued and is now safely mirrored and maintained by Cloudflare under independent management.

RequireJS is a JavaScript file and module loader.

Website

cdnjs.cloudflare.com/polyfill

requirejs.org #247,689

Pricing

Free ✔️Open source

Popularity

Determined by the number of sites using each technology.

The Polyfill JavaScript library is 14 times more popular than RequireJS.

Total websites

Market share

JavaScript Libraries

Popularity by country

Determined by the number of sites detected from each country.

Polyfill is more popular in the United States, the United Kingdom, and Japan, while RequireJS is more popular in Brunei Darussalam.

United States

United Kingdom

Japan

Russia

Germany

Spain

Italy

Australia

France

Netherlands

Awards

🥈 Second most popular in Russia in the JavaScript Libraries category.
🥈 Second most popular in Belarus in the JavaScript Libraries category.
🥈 Second most popular in Jamaica in the JavaScript Libraries category.
🥈 Second most popular in Curacao in the JavaScript Libraries category.
🥈 Second most popular in the Turks and Caicos Islands in the JavaScript Libraries category.

🥈 Second most popular in Brunei Darussalam in the JavaScript Libraries category.
⬆️ 21st most popular in Cambodia in the JavaScript Libraries category.
⬆️ 26th most popular in Qatar in the JavaScript Libraries category.
⬆️ 30th most popular in Kuwait in the JavaScript Libraries category.
⬆️ 37th most popular in Costa Rica in the JavaScript Libraries category.

Popularity by domain category

Determined by the number of sites in each category.

Polyfill is more popular among sites focused on business, marketing and merchandising, and online shopping, while RequireJS is more commonly used on sports sites.

Business

Marketing/Merchandising

Online Shopping

Education/Reference

Blogs/Wiki

Internet Services

Travel

Health

Entertainment

Non-Profit/Advocacy/NGO