Market Share by Top Websites

1 Clerk.io is leading in Top 1M Sites and The Entire Web.

2 Certona is leading in Top 10K Sites and Top 100K Sites.

Websites Categories

1 Clerk.io has better usage coverage in more websites categories. Including E-commerce & Shopping, Lifestyle, Heavy Industry & Engineering, Home & Garden and 20 other categories.

2 Certona hasn't got a lead over Clerk.io in any websites category.

Geography

1 Clerk.io is leading in most countries, including Ukraine, Russia, Belarus, Kazakhstan and 59 other countries.

2 Certona is leading in United States, Canada, Japan, Australia and 19 other countries.