Market Share by Top Websites

1 Effective Measure 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 Effective Measure in all segments.

Websites Categories

1 Topsy has better usage coverage in more websites categories. Including Health, Shopping, Marketing & Advertising, Travel and 116 other categories.

2 Effective Measure is leading in People & Society, News & Media, Business & Industry, Arts & Entertainment and 68 other categories.


1 Effective Measure is leading in most countries, including Thailand, Indonesia, South Africa, Malaysia and 82 other countries.

2 Topsy is leading in Russia, United States, Japan, Brazil and 39 other countries.