| Used Operating Systems |
| 1 | 4675 | 29.29 | 1492 | 34.51 | Windows NT |
| 2 | 4530 | 28.39 | 101 | 2.34 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2092 | 13.11 | 1838 | 42.51 | +http://www.baidu.com/search/spider.html |
| 4 | 1564 | 9.80 | 343 | 7.93 | +http://www.google.com/bot.html |
| 5 | 1105 | 6.92 | 255 | 5.90 | +http://www.bing.com/bingbot.htm |
| 6 | 902 | 5.65 | 51 | 1.18 | Windows 98 |
| 7 | 438 | 2.74 | 36 | 0.83 | +http://yandex.com/bots |
| 8 | 134 | 0.84 | 57 | 1.32 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 97 | 0.61 | 29 | 0.67 | +http://www.linkdex.com/bots/ |
| 10 | 95 | 0.60 | 41 | 0.95 | +http://www.easou.com/search/spider.html |
| 11 | 72 | 0.45 | 2 | 0.05 | Linux i686 [unknown version] |
| 12 | 65 | 0.41 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 13 | 33 | 0.21 | 23 | 0.53 | +http://ahrefs.com/robot/ |
| 14 | 24 | 0.15 | 7 | 0.16 | +http://www.exabot.com/go/robot |
| 15 | 14 | 0.09 | 6 | 0.14 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 12 | 0.08 | 6 | 0.14 | http://crawler.sistrix.net/ |
| 17 | 12 | 0.08 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 18 | 12 | 0.08 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 11 | 0.07 | 7 | 0.16 | +http://wmaid.com/explore/ |
| 20 | 10 | 0.06 | 6 | 0.14 | X11 |
| 21 | 10 | 0.06 | 5 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 7 | 0.04 | 3 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 6 | 0.04 | 2 | 0.05 | +http://downloaflare.biz |
| 24 | 6 | 0.04 | 2 | 0.05 | +info@netcraft.com |
| 25 | 6 | 0.04 | 3 | 0.07 | +http://fulltext.sblog.cz/ |
| 26 | 5 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 27 | 3 | 0.02 | 0 | 0.00 | Windows 2000 |
| 28 | 3 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 29 | 3 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 30 | 3 | 0.02 | 1 | 0.02 | +http://inload.in |
| 31 | 3 | 0.02 | 1 | 0.02 | +http://overx50.com/ |
| 32 | 2 | 0.01 | 1 | 0.02 | http://www.mojeek.com/bot.html |
| 33 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 2 | 0.01 | 2 | 0.05 | Android 2.3.5 |
| 35 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
