Market Share by Top Websites

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

2 In terms of market share, AppNexus is clearly lagging behind, losing to Google Publisher Tag in all segments.

Websites Categories

1 Google Publisher Tag has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, News & Media and 232 other categories.

2 AppNexus is leading in Chats & Forums, Car Buying, Automotive Industry, Senior Health and 5 other categories.

Geography

1 Google Publisher Tag is leading in most countries, including United States, France, Russia, Turkey and 200 other countries.

2 AppNexus is leading in Norway, Saint Vincent, Greenland, Belize and 4 other countries.