Market Share by Top Websites

1 Sentry is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, arbor.js is clearly lagging behind, losing to Sentry in all segments.

Websites Categories

1 Sentry has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Finance, Food & Drink and 20 other categories.

2 arbor.js hasn't got a lead over Sentry in any websites category.


1 Sentry is leading in most countries, including Poland, United States, Romania, Slovakia and 81 other countries.

2 arbor.js is leading in Iran.