Market Share by Top Websites

1 Signal 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 Signal in all segments.

Websites Categories

1 Signal has better usage coverage in more websites categories. Including Autos & Vehicles, Travel, Accommodation & Hotels, Car Buying and 97 other categories.

2 Topsy is leading in People & Society, Arts & Entertainment, Health, Internet & Telecom and 89 other categories.


1 Signal is leading in most countries, including United States, Germany, Brazil, Japan and 119 other countries.

2 Topsy is leading in Russia, Ukraine, Belarus, Pakistan and 12 other countries.