Spin.js dynamically creates spinning activity indicators that can be used as resolution-independent replacement for AJAX loading GIFs.
Modernizr is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Spin JS is clearly lagging behind, losing to Modernizr in all segments.
Modernizr has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Arts & Entertainment, Health and 20 other categories.
Spin JS hasn't got a lead over Modernizr in any websites category.
Modernizr is leading in most countries, including United States, Germany, United Kingdom, Canada and 162 other countries.
Spin JS hasn't got a lead over Modernizr in any country.