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, Health and 14 other categories.

2 Sizzle is leading in Computers Electronics & Technology, E-commerce & Shopping, Games, Gambling and 2 other categories.


1 TrackJS is leading in most countries, including United States, Russia, China, Taiwan and 155 other countries.

2 Sizzle is leading in South Korea, Germany and New Caledonia.