Market Share by Top Websites

1 Sift Science is leading in The Entire Web.

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

Websites Categories

1 Imperva has better usage coverage in more websites categories. Including Finance, Science & Education, Computers Electronics & Technology, Law & Government and 20 other categories.

2 Sift Science hasn't got a lead over Imperva in any websites category.


1 Imperva is leading in most countries, including United States, United Kingdom, Japan, Canada and 147 other countries.

2 Sift Science is leading in Réunion and Afghanistan.