WhosOn is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
WhosOn has better usage coverage in more websites categories. Including Business & Industry, Shopping, Computer & Electronics, Travel and 104 other categories.
Widdit is leading in People & Society, Arts & Entertainment, Religion & Spirituality, Music & Audio and 34 other categories.
WhosOn is leading in most countries, including United Kingdom, United States, Germany, India and 54 other countries.
Widdit is leading in Brazil, Russia, Indonesia, Israel and 16 other countries.