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 97 other categories.
WebTracker is leading in General Merchandise, Relationships & Dating, Music and Online.
Widdit is leading in most countries, including Brazil, India, Israel, United Kingdom and 68 other countries.
WebTracker is leading in Japan and China.