Errorception
409,111 websites

Errorception offers both free and paid options

http://errorception.com

Errorception is a error reporting service for client-side in-browser JavaScript errors. Client-side JavaScript errors occur in the end-users' browsers. It is very hard to find out about them, since logs of such errors are lost. Errorcept...

VS

Spin JS
456,729 websites

Spin JS is free to use

http://spin.js.org/

Spin.js dynamically creates spinning activity indicators that can be used as resolution-independent replacement for AJAX loading GIFs.

Market Share by Top Websites

1 Spin JS is leading in The Entire Web.

2 Errorception is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Errorception has better usage coverage in more websites categories. Including Arts & Entertainment, Adult, Games, News & Media and 8 other categories.

2 Spin JS is leading in Science & Education, Computers Electronics & Technology, Travel & Tourism, Lifestyle and 8 other categories.

Geography

1 Spin JS is leading in most countries, including Russia, Germany, Italy, United Kingdom and 151 other countries.

2 Errorception is leading in United States, Taiwan, France, Philippines and 4 other countries.