LightBox
1,094,240 websites

LightBox is free to use

https://github.com/lokesh/lightbox2/

Lightbox is small javascript library used to overlay images on top of the current page. It's a snap to setup and works on all modern browsers.

VS

Polyfill.io
757,000 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 LightBox is leading in Top 1M Sites and The Entire Web.

2 Polyfill.io is leading in Top 10K Sites and Top 100K Sites.

Websites Categories

1 LightBox has better usage coverage in more websites categories. Including Science & Education, Arts & Entertainment, Computers Electronics & Technology, Games and 20 other categories.

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

Geography

1 LightBox is leading in most countries, including Germany, Japan, Russia, Italy and 140 other countries.

2 Polyfill.io is leading in United States, United Kingdom, Canada, Brazil and 18 other countries.