Market Share by Top Websites

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

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

Websites Categories

1 Topsy has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Internet & Telecom and 167 other categories.

2 AdPlan is leading in Real Estate, Accommodation & Hotels, Web Hosting, Universities & Colleges and 28 other categories.


1 Topsy is leading in most countries, including Brazil, Russia, United States, United Kingdom and 101 other countries.

2 AdPlan is leading in Japan, Taiwan, Tuvalu, China and 12 other countries.