33across
trend
1,155,283 websites

33across offers both free and paid options

http://33across.com/

33Across is a publisher monetization and traffic platform

VS

comScore ScorecardResearch
trend
741,455 websites

comScore ScorecardResearch is free to use

http://www.fullcirclestudies.com/scorecardresearch.aspx

ScorecardResearch is service of Full Circle Studies, Inc., is part of the comScore, Inc. market research community, a leading global market research effort that studies and reports on Internet trends and behavior. Here are all the websit...

Market Share by Top Websites

1 33across is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 Despite its recent growth, comScore ScorecardResearch is still behind 33across in all market share segments.

Websites Categories

1 33across has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Community & Society, News & Media and 16 other categories.

2 comScore ScorecardResearch is leading in Arts & Entertainment, Games, Adult and Lifestyle.

Geography

1 33across is leading in most countries, including United States, France, Russia, Taiwan and 151 other countries.

2 comScore ScorecardResearch is leading in Canada, Australia, Luxembourg, Iceland and 6 other countries.