Double.net is leading in Top 100K Sites and Top 1M Sites.
Double.net has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Science, Social Sciences and 75 other categories.
zapunited is leading in People & Society, Arts & Entertainment, Adult, Photography and 36 other categories.
zapunited is leading in most countries, including India, Great Britain, Germany, Brazil and 34 other countries.
Double.net is leading in Sweden, Niue, Finland, Norway and 15 other countries.