Market Share by Top Websites

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

2 Carbon Ads is leading in Top 10K Sites.

Websites Categories

1 Seznam has better usage coverage in more websites categories. Including Reference Materials, E-commerce & Shopping, Vehicles, Sports and 18 other categories.

2 Carbon Ads is leading in Computers Electronics & Technology and Law & Government.


1 Carbon Ads is leading in most countries, including United States, India, China, Brazil and 54 other countries.

2 Seznam is leading in Czech Republic, Slovakia, Poland, Germany and 43 other countries.