| Used Operating Systems |
| 1 | 15204 | 57.09 | 4620 | 64.96 | Windows NT |
| 2 | 6188 | 23.24 | 25 | 0.35 | Windows XP |
| 3 | 1702 | 6.39 | 1620 | 22.78 | +http://www.baidu.com/search/spider.html |
| 4 | 1055 | 3.96 | 262 | 3.68 | +http://www.bing.com/bingbot.htm |
| 5 | 562 | 2.11 | 25 | 0.35 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 497 | 1.87 | 32 | 0.45 | +http://yandex.com/bots |
| 7 | 488 | 1.83 | 158 | 2.22 | +http://www.google.com/bot.html |
| 8 | 138 | 0.52 | 42 | 0.59 | +http://www.linkdex.com/about/bots/ |
| 9 | 103 | 0.39 | 28 | 0.39 | Windows 98 |
| 10 | 76 | 0.29 | 12 | 0.17 | X11 |
| 11 | 75 | 0.28 | 56 | 0.79 | Windows 95 |
| 12 | 74 | 0.28 | 6 | 0.08 | +http://www.exabot.com/go/robot |
| 13 | 62 | 0.23 | 56 | 0.79 | +http://www.openfos.com |
| 14 | 50 | 0.19 | 20 | 0.28 | ezooms.bot@gmail.com |
| 15 | 48 | 0.18 | 12 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 37 | 0.14 | 6 | 0.08 | Android 2.3.5 |
| 17 | 31 | 0.12 | 9 | 0.13 | http://www.google.com/bot.html |
| 18 | 30 | 0.11 | 16 | 0.22 | +http://www.easou.com/search/spider.html |
| 19 | 26 | 0.10 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 20 | 21 | 0.08 | 18 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 21 | 17 | 0.06 | 13 | 0.18 | Windows CE |
| 22 | 17 | 0.06 | 13 | 0.18 | Windows ME |
| 23 | 16 | 0.06 | 14 | 0.20 | Windows 3.1 |
| 24 | 15 | 0.06 | 1 | 0.01 | http://www.dataprovider.com/ |
| 25 | 13 | 0.05 | 9 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 13 | 0.05 | 1 | 0.01 | +http://www.aihit.com/ |
| 27 | 11 | 0.04 | 8 | 0.11 | Windows 2000 |
| 28 | 9 | 0.03 | 3 | 0.04 | +http://www.profound.net/urlappendbot.ht... |
| 29 | 8 | 0.03 | 7 | 0.10 | Auto; Windows |
| 30 | 8 | 0.03 | 7 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 31 | 8 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 32 | 6 | 0.02 | 3 | 0.04 | http://crawler.sistrix.net/ |
| 33 | 4 | 0.02 | 4 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 34 | 3 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 35 | 3 | 0.01 | 0 | 0.00 | +http://help.soso.com/webspider.htm |
| 36 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 37 | 2 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 38 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 39 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 40 | 2 | 0.01 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.00 | 1 | 0.01 | +http://struct.it/contacts/ |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
