AWStats
1,600 websites

AWStats is free to use

http://awstats.sourceforge.net/

AWStats is a free powerful and featureful tool that generates advanced web, streaming, ftp or mail server statistics, graphically. This log analyzer works as a CGI or from command line and shows you all possible information your log contain...

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Usablenet
92 websites

Usablenet costs money

http://usablenet.com

Designed to help companies immediately and comprehensively improve web accessibility which includes Mobile.

Market Share by Top Websites

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

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

Websites Categories

1 AWStats has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Law & Government, Arts & Entertainment and 19 other categories.

2 Usablenet is leading in Lifestyle.

Geography

1 AWStats is leading in most countries, including France, United States, South Korea, Netherlands and 77 other countries.

2 Usablenet is leading in Chile.