TrackJS is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Sizzle is clearly lagging behind, losing to TrackJS in all segments.
TrackJS has better usage coverage in more websites categories. Including Lifestyle, Business & Consumer Services, Science & Education, Health and 14 other categories.
Sizzle is leading in Computers Electronics & Technology, E-commerce & Shopping, Games, Gambling and 2 other categories.
TrackJS is leading in most countries, including United States, Russia, China, Taiwan and 155 other countries.
Sizzle is leading in South Korea, Germany and New Caledonia.