| Used Operating Systems by Visits |
| 1 | 6434 | 44.91 | 2818 | 48.15 | Windows NT |
| 2 | 2629 | 18.35 | 2199 | 37.58 | +http://www.baidu.com/search/spider.html |
| 3 | 346 | 2.42 | 192 | 3.28 | +http://www.bing.com/bingbot.htm |
| 4 | 2682 | 18.72 | 113 | 1.93 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 119 | 0.83 | 92 | 1.57 | +http://www.linkdex.com/about/bots/ |
| 6 | 271 | 1.89 | 73 | 1.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 213 | 1.49 | 72 | 1.23 | +http://www.google.com/bot.html |
| 8 | 603 | 4.21 | 70 | 1.20 | +http://yandex.com/bots |
| 9 | 52 | 0.36 | 45 | 0.77 | +http://www.linkdex.com/bots/ |
| 10 | 132 | 0.92 | 34 | 0.58 | help@moz.com |
| 11 | 104 | 0.73 | 31 | 0.53 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 57 | 0.40 | 30 | 0.51 | X11 |
| 13 | 451 | 3.15 | 13 | 0.22 | Windows 98 |
| 14 | 27 | 0.19 | 10 | 0.17 | Android 2.3.5 |
| 15 | 31 | 0.22 | 10 | 0.17 | +http://www.exabot.com/go/robot |
| 16 | 9 | 0.06 | 7 | 0.12 | Windows 95 |
| 17 | 32 | 0.22 | 7 | 0.12 | +http://fulltext.sblog.cz/ |
| 18 | 4 | 0.03 | 4 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 19 | 8 | 0.06 | 4 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 20 | 5 | 0.03 | 3 | 0.05 | Windows 2000 |
| 21 | 27 | 0.19 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 22 | 5 | 0.03 | 3 | 0.05 | Windows ME |
| 23 | 6 | 0.04 | 3 | 0.05 | +http://botw.org |
| 24 | 4 | 0.03 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 25 | 4 | 0.03 | 2 | 0.03 | +http://help.coccoc.com/ |
| 26 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 27 | 4 | 0.03 | 2 | 0.03 | +info@netcraft.com |
| 28 | 18 | 0.13 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 29 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 30 | 2 | 0.01 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 31 | 2 | 0.01 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 32 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 33 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 1 | 0.01 | 1 | 0.02 | UrlCrawler; http://www.seomoz.org/dp/rog... |
| 35 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 36 | 3 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 37 | 7 | 0.05 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 38 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 39 | 20 | 0.14 | 0 | 0.00 | Linux [unknown version] |
| 40 | 3 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
