Market Share by Top Websites

1 TrackJS is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Sizzle is clearly lagging behind, losing to TrackJS in all segments.

Websites Categories

1 TrackJS has better usage coverage in more websites categories. Including Lifestyle, Business & Consumer Services, Science & Education, E-commerce & Shopping and 15 other categories.

2 Sizzle is leading in Computers Electronics & Technology, Games, Gambling, Jobs & Career and one other category.


1 TrackJS is leading in most countries, including United States, China, Russia, United Kingdom and 159 other countries.

2 Sizzle is leading in South Korea and New Caledonia.