The primary difference between Zepto.js and jQuery are their respective file sizes of Zepto.js’s ~20kb (minified, not gzipped) instead of jQuery’s ~80kb,And Zepto.js’s ~10kb (minified, Gzipped) instead of jQuery’s ~30kb. Furthermore, Zepto’s support for browsers such as IE<10 is either lacking or not guaranteed, its target platforms are:
- Safari 5+ (desktop)
- Chrome 5+ (desktop)
- Mozilla Firefox 4+
- iOS 4+ Safari
- Android 2.2+ Browser
- Other WebKit-based browsers/runtimes
- webOS 1.4.5+ Browser
- BlackBerry Tablet OS 1.0.7+ Browser
- Amazon Silk 1.0+
- Opera 10+
- Internet Explorer 10+