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.

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Require JS
856,419 websites

Require JS is free to use

http://requirejs.org/

RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node.

Market Share by Top Websites

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

2 Require JS is leading in Top 10K Sites.

Websites Categories

1 LightBox has better usage coverage in more websites categories. Including Science & Education, Arts & Entertainment, Computers Electronics & Technology, Games and 18 other categories.

2 Require JS is leading in Lifestyle and Jobs & Career.

Geography

1 LightBox is leading in most countries, including Germany, Japan, Russia, United Kingdom and 151 other countries.

2 Require JS is leading in United States, China, Hong Kong, New Zealand and 7 other countries.