🆚 JS Cookie vs. Polyfill

Compare technologies based on real-world usage data *

Type

JavaScript library
JavaScript library

About

A simple, lightweight JavaScript library for handling browser cookies.

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.

Headquarters

Germany

Website

Pricing

Free ✔️Open source
Free ✔️Open source

Categories

JavaScript Libraries › Rank #8
JavaScript Libraries › Rank #4

Popularity

Determined by the number of sites using each technology.

The Polyfill JavaScript library is 1.5 times more popular than JS Cookie.
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 Spain, while JS Cookie is more popular in Vietnam, Iran, and Turkey.
United States
United Kingdom
Spain
Germany
Italy
Australia
Japan
France
Russia
Netherlands

Awards

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 blogs and wiki, while JS Cookie is more commonly used on online shopping, real estate, and recreation and hobbies sites.
Business
Marketing/Merchandising
Online Shopping
Blogs/Wiki
Education/Reference
Internet Services
Travel
Entertainment
Health
Non-Profit/Advocacy/NGO

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#123
e***rt.club
#667
View more ➝
Name
Rank
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.