Sentry provides real-time crash reporting for your web apps, mobile apps, and games.
Ext JS is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Sentry is clearly lagging behind, losing to Ext JS in all segments.
Ext JS has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Law & Government, Finance and 20 other categories.
Sentry hasn't got a lead over Ext JS in any websites category.
Ext JS is leading in most countries, including China, United States, Russia, South Korea and 147 other countries.
Sentry is leading in Poland, Croatia and El Salvador.