Market Share by Top Websites

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

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

Websites Categories

1 AdvertServe has better usage coverage in more websites categories. Including Business & Industry, People & Society, News & Media, Shopping and 119 other categories.

2 CONTEXTin is leading in Computer & Electronics, Software, Domain Names & Register, Reference and 2 other categories.


1 AdvertServe is leading in most countries, including United States, Russia, United Kingdom, Turkey and 58 other countries.

2 CONTEXTin is leading in Argentina, Sudan, Mauritania, Korea Republic and one other country.