2
In terms of market share, Quantcast Widget is clearly lagging behind, losing to Viadeo in all segments.
1
Quantcast Widget has better usage coverage in more websites categories. Including Reference Materials, Community & Society, Hobbies & Leisure, Law & Government and 12 other categories.
2
Viadeo is leading in Jobs & Career, Heavy Industry & Engineering, Health, Lifestyle and 2 other categories.
1
Quantcast Widget is leading in most countries, including United States, United Kingdom, Canada, Spain and 16 other countries.
2
Viadeo is leading in France, Morocco, Algeria, Finland and 4 other countries.