Market Share by Top Websites

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

2 Despite its recent growth, Act-On is still behind Gemius in all market share segments.

Websites Categories

1 Gemius has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Business & Industry and 205 other categories.

2 Act-On is leading in Business Services, Industrial Goods & Services, Healthcare Industry, Insurance and 20 other categories.


1 Gemius is leading in most countries, including Poland, Czech Republic, Hungary, Bulgaria and 130 other countries.

2 Act-On is leading in United States, India, Canada, Australia and 22 other countries.