Market Share by Top Websites

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

2 Piwik is leading in Top 1M Sites.

Websites Categories

1 Quantcast has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Music & Audio and 238 other categories.

2 Piwik is leading in Automotive Industry, Casinos and Moving & Relocating.

Geography

1 Quantcast is leading in most countries, including United States, Russia, Indonesia, United Kingdom and 179 other countries.

2 Piwik is leading in Germany, Czech Republic, Switzerland, Austria and 29 other countries.