Market Share by Top Websites

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

2 In terms of market share, Blueknow is clearly lagging behind, losing to Certona in all segments.

Websites Categories

1 Certona has better usage coverage in more websites categories. Including Shopping, Clothing, Business & Industry, Beauty & Fitness and 56 other categories.

2 Blueknow is leading in Consumer Electronics, News & Media, Autos & Vehicles, Cycling & Biking and 11 other categories.


1 Certona is leading in most countries, including United States, Canada, United Kingdom, France and 44 other countries.

2 Blueknow is leading in Spain, Italy, Mexico, Portugal and 2 other countries.