| Used Operating Systems |
| 1 | 2198 | 36.93 | 1796 | 45.55 | Windows NT |
| 2 | 1676 | 28.16 | 1496 | 37.94 | +http://www.baidu.com/search/spider.html |
| 3 | 852 | 14.32 | 283 | 7.18 | +http://www.bing.com/bingbot.htm |
| 4 | 361 | 6.07 | 61 | 1.55 | +http://yandex.com/bots |
| 5 | 244 | 4.10 | 101 | 2.56 | +http://www.google.com/bot.html |
| 6 | 203 | 3.41 | 77 | 1.95 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 60 | 1.01 | 22 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 55 | 0.92 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 53 | 0.89 | 0 | 0.00 | help@moz.com |
| 10 | 48 | 0.81 | 24 | 0.61 | +http://www.exabot.com/go/robot |
| 11 | 32 | 0.54 | 16 | 0.41 | +http://www.easou.com/search/spider.html |
| 12 | 24 | 0.40 | 6 | 0.15 | Windows 2000 |
| 13 | 20 | 0.34 | 12 | 0.30 | Windows 98 |
| 14 | 18 | 0.30 | 6 | 0.15 | Windows 95 |
| 15 | 12 | 0.20 | 6 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 12 | 0.20 | 0 | 0.00 | AnyEvent-HTTP/1.46; +http://software.sch... |
| 17 | 8 | 0.13 | 2 | 0.05 | +http://www.yunyun.com/spider.html |
| 18 | 8 | 0.13 | 4 | 0.10 | +http://fulltext.sblog.cz/ |
| 19 | 6 | 0.10 | 2 | 0.05 | Auto; Windows |
| 20 | 6 | 0.10 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 21 | 6 | 0.10 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 22 | 4 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 23 | 4 | 0.07 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 24 | 4 | 0.07 | 2 | 0.05 | +http://endb-consolidated.aihit.com/ |
| 25 | 4 | 0.07 | 2 | 0.05 | +http://prlog.ru/ |
| 26 | 4 | 0.07 | 2 | 0.05 | Website Thumbnail Generator; +http://web... |
| 27 | 3 | 0.05 | 3 | 0.08 | Macintosh PPC |
| 28 | 3 | 0.05 | 3 | 0.08 | Linux 2.4.x |
| 29 | 3 | 0.05 | 1 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 30 | 3 | 0.05 | 3 | 0.08 | Linux i686 [unknown version] |
| 31 | 3 | 0.05 | 2 | 0.05 | +info@netcraft.com |
| 32 | 2 | 0.03 | 2 | 0.05 | Win32 |
| 33 | 2 | 0.03 | 1 | 0.03 | http://crawler.sistrix.net/ |
| 34 | 2 | 0.03 | 1 | 0.03 | Intel Mac OS X 10.4 |
| 35 | 2 | 0.03 | 2 | 0.05 | Windows Phone OS 7.5 |
| 36 | 2 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 37 | 2 | 0.03 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 1 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 39 | 1 | 0.02 | 1 | 0.03 | PPC Mac OS X Mach-O |
