Advanced Web Statistics (AWStats) is a free powerful and featureful server logfile analyzer that shows you all your Web statistics including visits, unique visitors, pages, hits, rush hours, os, browsers and versions, search engines, keywords, robots visits, broken links, HTTP errors, mod_gzip or mod_deflate compression ratios, number of times your site is "added to favourites", report browser support for PDF, Flash, Java, screen size, other personalized reports, and more... Many plugins, dynamic filters, and a very high level of parameters. Reports can be in serveral languages. Works with all major web (but also mail and FTP) log servers as a CGI and/or from command line. Distributed under GNU General Public License.

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