iQ Poll is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
iQ Poll has better usage coverage in more websites categories. Including News & Media, Arts & Entertainment, TV & Video, Newspapers and 26 other categories.
Opta Widget is leading in Sports, Soccer, Business & Industry, Football and 19 other categories.
Opta Widget is leading in most countries, including Spain, United Kingdom, Italy, Australia and 42 other countries.
iQ Poll is leading in United States, Dominican Republic and Poland.