🆚 DOM4 vs. Fastly Polyfill

📈 Fastly Polyfill is much more popular than DOM4.
🌍 Fastly Polyfill is more popular in all countries.

Statistics based on 3.8M+ analyzed websites. About this data

DOM4

Fastly Polyfill

Type

JavaScript library

About

A fully tested and covered polyfill for DOM Level 4 entries.

Fastly Polyfill is a service that reads the User-Agent header of each request and returns polyfills appropriate for the requesting browser.

Website

webreflection.github.io/dom4/

polyfill-fastly.io

Pricing

Free ✔️ Open source

Popularity

Determined by the number of sites using each technology.

The Fastly Polyfill JavaScript library is 149 times more popular than DOM4.

Total websites

Market share

JavaScript Libraries

Popularity by country

Determined by the number of sites detected from each country.

Fastly Polyfill is more popular than DOM4 in all countries.

United States

United Kingdom

Canada

Australia

Germany

Japan

Brazil

India

France

Italy

Awards

⬆️ 87th most popular in Canada in the JavaScript Libraries category.
⬆️ 91st most popular in Sweden in the JavaScript Libraries category.
⬆️ 94th most popular in Australia in the JavaScript Libraries category.
⬆️ 96th most popular in Denmark in the JavaScript Libraries category.
⬆️ 98th most popular in Ireland in the JavaScript Libraries category.

Popularity by domain category

Determined by the number of sites in each category.

Fastly Polyfill is more popular than DOM4 in all market segments.

Online Shopping

Marketing/Merchandising

Business

Fashion/Beauty

General News

Education/Reference

Blogs/Wiki

Entertainment

Health

Sports

Top sites

Top-ranked sites that use these technologies.

Name

Rank

#8,872

#33,865

#38,877

#40,223

#49,082

Name

Rank

#182

#544

#587

#1,063

#2,213