Market Share by Top Websites

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

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

Websites Categories

1 SpotX has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Internet & Telecom and 227 other categories.

2 Tailsweep is leading in Scouting, Antiques & Collectibles, Banking and Flowers.


1 SpotX is leading in most countries, including United States, France, Germany, Spain and 175 other countries.

2 Tailsweep is leading in Sweden.