Foursquare Widget
trend
2,995 websites

Foursquare Widget is free to use

https://developer.foursquare.com/

The foursquare API gives you access to all of the data used by the foursquare mobile applications, and, in some cases, even more.

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iQ Poll
trend
739 websites

iQ Poll is free to use

http://www.pewresearch.org/quiz/the-news-iq-quiz/

When you finish, you will be able to compare your News IQ with the average ... It conducts public opinion polling, demographic research, media content analysis ...

Market Share by Top Websites

1 Foursquare Widget is leading in The Entire Web.

2 iQ Poll is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Foursquare Widget has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Travel, Food & Drink and 123 other categories.

2 iQ Poll is leading in News & Media, TV & Video, Newspapers, Womens Interests and 3 other categories.

Geography

1 Foursquare Widget is leading in most countries, including United States, Russia, Italy, Brazil and 70 other countries.

2 iQ Poll is leading in Dominican Republic, Cameroon and Puerto Rico.