| Used Operating Systems |
| 1 | 4634 | 39.40 | 1032 | 27.91 | Windows NT |
| 2 | 2576 | 21.90 | 106 | 2.87 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2247 | 19.10 | 2003 | 54.16 | +http://www.baidu.com/search/spider.html |
| 4 | 732 | 6.22 | 263 | 7.11 | +http://www.bing.com/bingbot.htm |
| 5 | 602 | 5.12 | 28 | 0.76 | +http://yandex.com/bots |
| 6 | 342 | 2.91 | 72 | 1.95 | +http://www.google.com/bot.html |
| 7 | 151 | 1.28 | 60 | 1.62 | ezooms.bot@gmail.com |
| 8 | 126 | 1.07 | 33 | 0.89 | +http://www.linkdex.com/about/bots/ |
| 9 | 63 | 0.54 | 6 | 0.16 | +http://siteexplorer.info/ |
| 10 | 45 | 0.38 | 36 | 0.97 | +http://help.soso.com/webspider.htm |
| 11 | 36 | 0.31 | 9 | 0.24 | +http://www.meanpath.com/meanpathbot.htm... |
| 12 | 29 | 0.25 | 14 | 0.38 | +http://www.easou.com/search/spider.html |
| 13 | 28 | 0.24 | 2 | 0.05 | http://crawler.sistrix.net/ |
| 14 | 27 | 0.23 | 1 | 0.03 | Windows 98 |
| 15 | 23 | 0.20 | 1 | 0.03 | X11 |
| 16 | 22 | 0.19 | 1 | 0.03 | J2ME/MIDP |
| 17 | 22 | 0.19 | 11 | 0.30 | +http://www.exabot.com/go/robot |
| 18 | 15 | 0.13 | 2 | 0.05 | PPC Mac OS X Mach-O |
| 19 | 8 | 0.07 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 20 | 6 | 0.05 | 2 | 0.05 | +http://prlog.ru/ |
| 21 | 5 | 0.04 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 4 | 0.03 | 2 | 0.05 | ScoutJet; +http://blekko.com/about/blekk... |
| 23 | 4 | 0.03 | 2 | 0.05 | +http://webmastercoffee.com/about |
| 24 | 3 | 0.03 | 3 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 25 | 3 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 26 | 2 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 27 | 2 | 0.02 | 2 | 0.05 | +http://struct.it/contacts/ |
| 28 | 2 | 0.02 | 2 | 0.05 | +http://www.wmhelper.com/bot.html |
| 29 | 1 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 30 | 1 | 0.01 | 1 | 0.03 | Linux [unknown version] |
| 31 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.5 |
