WebTracker is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Widdit has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Religion & Spirituality, Business & Industry and 95 other categories.
WebTracker is leading in Relationships & Dating, General Merchandise and Music.
Widdit is leading in most countries, including United States, Russia, India, Brazil and 47 other countries.
WebTracker is leading in Japan.