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, Amazon A9 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 Arts & Entertainment, Business & Industry, Music & Audio, Internet & Telecom and 227 other categories.

2 Amazon A9 is leading in People & Society, Religion & Spirituality, Chats & Forums, Technology News and 10 other categories.

Geography

1 Google Publisher Tag is leading in most countries, including United States, Russia, France, Japan and 195 other countries.

2 Amazon A9 is leading in Indonesia, Viet Nam, Guyana, Virgin Islands Republic and 7 other countries.