Moment JS
trend
938,107 websites

Moment JS is free to use

http://momentjs.com/

Parse, validate, manipulate, and display dates in JavaScript.

VS

Polyfill.io
trend
750,470 websites

Polyfill.io is free to use

https://polyfill.io/v3/

Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.

Market Share by Top Websites

1 Moment JS is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Polyfill.io is leading in Top 10K Sites.

Websites Categories

1 Moment JS has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Arts & Entertainment, Travel & Tourism and 20 other categories.

2 Polyfill.io hasn't got a lead over Moment JS in any websites category.

Geography

1 Moment JS is leading in most countries, including Russia, Germany, France, South Korea and 126 other countries.

2 Polyfill.io is leading in United States, United Kingdom, Canada, Japan and 32 other countries.