Market Share by Top Websites

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

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

Websites Categories

1 Piano has better usage coverage in more websites categories. Including News & Media, Sports, Finance, Arts & Entertainment and 17 other categories.

2 Certona is leading in Lifestyle, E-commerce & Shopping and Home & Garden.


1 Piano is leading in most countries, including United States, United Kingdom, Germany, Brazil and 60 other countries.

2 Certona is leading in Canada, Japan, New Zealand, Russia and 18 other countries.