Market Share by Top Websites

1 Contact At Once! is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Quantcast Widget is clearly lagging behind, losing to Contact At Once! in all segments.

Websites Categories

1 Quantcast Widget has better usage coverage in more websites categories. Including Reference Materials, Community & Society, Hobbies & Leisure, Law & Government and 10 other categories.

2 Contact At Once! is leading in Vehicles, Business & Consumer Services, Finance, E-commerce & Shopping and 2 other categories.

Geography

1 Contact At Once! is leading in most countries, including United States, Canada, United Kingdom, Philippines and 44 other countries.

2 Quantcast Widget is leading in China, Israel, Italy, Bermuda and 5 other countries.